diff --git a/CO2_sense_v2.kicad_pcb b/CO2_sense_v2.kicad_pcb
index 968643a..2403517 100644
--- a/CO2_sense_v2.kicad_pcb
+++ b/CO2_sense_v2.kicad_pcb
@@ -139,163 +139,163 @@
 
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-      (net 45 "VSTORE") (pinfunction "VIN") (pintype "power_in") (tstamp ccf2d2d0-e34b-4e2f-887a-e3d373f17aa3))
+      (net 45 "VSTORE") (pinfunction "VIN") (pintype "power_in") (tstamp 59b6e19b-0bd3-4b42-958c-aa9b06cf27b2))
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-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp ff8fa537-816f-48fd-8154-fbdd84dc8994))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 99f95ae5-cd0c-451d-b118-42175fa086c7))
     (pad "3" smd rect (at -1.274999 0.950001) (size 0.949999 0.508) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 45 "VSTORE") (pinfunction "*SHDN") (pintype "input") (tstamp 5b993cc7-90d5-46d7-b590-08ba205091da))
+      (net 45 "VSTORE") (pinfunction "*SHDN") (pintype "input") (tstamp d86ff9c3-b1cc-4b2c-bb93-18814bc58ea1))
     (pad "4" smd rect (at 1.274999 0.950001) (size 0.949999 0.508) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 44 "+3V3") (pinfunction "VFB/VOUT") (pintype "power_out") (tstamp 2ca1ad0f-1984-45e8-985f-a5e0e4ded684))
+      (net 44 "+3V3") (pinfunction "VFB/VOUT") (pintype "power_out") (tstamp 62abb572-4960-4dba-bc19-64001b763d48))
     (pad "5" smd rect (at 1.274999 -0.950001) (size 0.949999 0.508) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 47 "Net-(L1-Pad1)") (pinfunction "LX") (pintype "output") (tstamp 20dddb65-a219-4414-a00a-bf40e0d54a9a))
+      (net 47 "Net-(L1-Pad1)") (pinfunction "LX") (pintype "output") (tstamp 425b6cea-b22c-4bf0-9ce0-88065c106b9d))
     (model "${KIPRJMOD}/symbols/MCP1603/TSOT5_MC_MCH.step"
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@@ -305,7 +305,7 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 0fec3ac9-c3bc-4ef5-9416-12219a492bc7)
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     (tags "resistor handsolder")
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@@ -314,30 +314,30 @@
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-      (net 22 "Net-(R_OC1-Pad2)") (pintype "passive") (tstamp 44febed6-11c1-4d6f-9026-266a740f4c41))
+      (net 22 "Net-(R_OC1-Pad2)") (pintype "passive") (tstamp 682cf133-a915-4a35-a4d7-ad580578f893))
     (pad "2" smd roundrect (at 0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 43 "GND") (pintype "passive") (tstamp 5a442b0b-b666-4950-89fd-40b7ae7f81d0))
+      (net 43 "GND") (pintype "passive") (tstamp 36502d10-1981-450d-9097-aad9d67e1b65))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -347,7 +347,7 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 17adf45d-1aa0-4895-8f2f-b622069801de)
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     (tags "resistor handsolder")
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@@ -356,30 +356,30 @@
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-      (net 24 "Net-(R_OK2-Pad1)") (pintype "passive") (tstamp fed9a59c-8b24-47e2-b7c1-b274dcf64d4a))
+      (net 24 "Net-(R_OK2-Pad1)") (pintype "passive") (tstamp cc8c6448-5e42-4825-baae-7b6f9dc96f05))
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-      (net 23 "Net-(R_OK1-Pad1)") (pintype "passive") (tstamp 49d6dd02-b0f0-4f8c-ac7d-369fd34b427e))
+      (net 23 "Net-(R_OK1-Pad1)") (pintype "passive") (tstamp d626615c-4bf6-49d0-88df-56b8e912d6eb))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -389,39 +389,39 @@
 
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-      (net 16 "SCL") (pintype "passive") (tstamp 15bc25bd-f324-4a60-a8b0-bab52f164af3))
+      (net 16 "SCL") (pintype "passive") (tstamp 586b0950-1bb6-42e0-9093-2d2faf164c60))
     (pad "2" smd roundrect (at 0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 44 "+3V3") (pintype "passive") (tstamp 447059e0-eede-44b4-a6be-a97c8b07a981))
+      (net 44 "+3V3") (pintype "passive") (tstamp 7c690de3-c7fb-4e18-a105-1aef8344ae24))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
       (offset (xyz 0 0 0))
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@@ -431,7 +431,7 @@
 
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     (tedit 5F68FEEE) (tstamp 29d3fdb4-5a49-4417-84d6-bc86aeb834b7)
-    (at 161.29 130.175)
+    (at 144.09 102.925)
     (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "resistor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
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-      (net 26 "Net-(R_OV1-Pad1)") (pintype "passive") (tstamp aefbb49e-9b4e-42b8-8e1b-7a83a8aeb9a0))
+      (net 26 "Net-(R_OV1-Pad1)") (pintype "passive") (tstamp dc667eec-fe00-4884-8ce2-95310efe277d))
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-      (net 25 "Net-(R_OK3-Pad1)") (pintype "passive") (tstamp 4ce20cec-db43-4af1-8240-b8363f1cb558))
+      (net 25 "Net-(R_OK3-Pad1)") (pintype "passive") (tstamp 31929fcb-025f-4b28-9419-7997b1411e83))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -473,99 +473,99 @@
 
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     (attr through_hole)
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-      (net 44 "+3V3") (pinfunction "VDD") (pintype "power_in") (tstamp ce9f293b-3747-471c-bc72-737f2cdaa093))
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-      (net 18 "SDA") (pinfunction "SDA") (pintype "bidirectional") (tstamp 86ad2d34-7359-4157-8f1a-d3cb000120f7))
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@@ -826,39 +826,39 @@
 
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-      (net 19 "BATTMS") (pintype "passive") (tstamp 967db496-2fd0-4ef3-ab03-d7e3cda65f54))
+      (net 19 "BATTMS") (pintype "passive") (tstamp d852319e-823a-4aec-93d7-2abed542ba1e))
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@@ -868,39 +868,39 @@
 
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@@ -910,39 +910,39 @@
 
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+    (fp_line (start 6.7 -1.78) (end 2.9 -1.78) (layer "F.CrtYd") (width 0.05) (tstamp 79dcbc70-6397-4124-920c-2162df8d3b65))
+    (fp_line (start -1.9 -1.78) (end -1.9 1.78) (layer "F.CrtYd") (width 0.05) (tstamp 9ddaa0be-ebda-4202-a973-7c3910a0196e))
+    (fp_line (start 1.9 1.78) (end 1.9 -1.78) (layer "F.CrtYd") (width 0.05) (tstamp be41e209-99a0-468e-bee6-b88d308fcdf9))
+    (fp_line (start 2.9 -1.78) (end 2.9 1.78) (layer "F.CrtYd") (width 0.05) (tstamp d4ec25ea-187f-498c-bc07-e1ef4186967e))
+    (fp_circle (center 0 0) (end 1.15 0) (layer "F.Fab") (width 0.1) (fill none) (tstamp 14c1fa40-5999-493b-928c-6c07341dd3d9))
+    (fp_circle (center 4.8 0) (end 5.95 0) (layer "F.Fab") (width 0.1) (fill none) (tstamp 8fed3ee8-3e03-4246-af27-fbd70f918c33))
+    (pad "1" thru_hole roundrect (at 0 0 90) (size 2.55 2.55) (drill 1.55) (layers *.Cu *.Mask) (roundrect_rratio 0.098039)
+      (net 1 "VBAT") (pinfunction "+") (pintype "passive") (tstamp 2e5343b4-04fa-4faa-9598-e81592d20c9c))
+    (pad "2" thru_hole circle (at 4.8 0 90) (size 2.55 2.55) (drill 1.55) (layers *.Cu *.Mask)
+      (net 43 "GND") (pinfunction "-") (pintype "passive") (tstamp 90bdc06f-a611-4db3-8735-415f77ee7e6e))
     (model "${KICAD6_3DMODEL_DIR}/Connector_Wire.3dshapes/SolderWire-0.75sqmm_1x02_P4.8mm_D1.25mm_OD2.3mm.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -1078,7 +1078,7 @@
 
   (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEF) (tstamp 5034f658-55d1-485d-9d0f-c01aaca44c57)
-    (at 163.195 118.745)
+    (at 145.995 91.495)
     (descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "capacitor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
@@ -1087,30 +1087,30 @@
     (attr smd)
     (fp_text reference "C_STOR1" (at 5.08 0) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 523b46be-47e7-4460-af01-2620d33f4377)
+      (tstamp 8e15dbac-3466-4e65-90df-f3b65f1a0f0d)
     )
     (fp_text value "4.7µF" (at 0 1.43) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp c0d00d2f-9ed3-4f09-8942-f09a6bcf6e82)
+      (tstamp 4ba71f36-0a8e-4858-a4fa-46c54686e7cd)
     )
     (fp_text user "${REFERENCE}" (at 0 0) (layer "F.Fab")
       (effects (font (size 0.4 0.4) (thickness 0.06)))
-      (tstamp 415c2d03-1d01-4d27-a81d-d0b7d05076ef)
+      (tstamp 7780b220-6ef8-4d29-8c1e-7b7ffbb365aa)
     )
-    (fp_line (start -0.146267 0.51) (end 0.146267 0.51) (layer "F.SilkS") (width 0.12) (tstamp 49019444-1e1e-449e-a0bc-9b13d661c20c))
-    (fp_line (start -0.146267 -0.51) (end 0.146267 -0.51) (layer "F.SilkS") (width 0.12) (tstamp 642d97c8-310a-4211-88c1-9b4a0113f44b))
-    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 0d0ba38d-766a-4096-b601-f2f94d17b37f))
-    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 120bfaa4-42f7-4f55-80ca-c2fd174d8d28))
-    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp efcd1367-f8ed-41a3-8217-9ab4c4c1a4d9))
-    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp f60bf75c-b0b9-4ff9-8e21-cccce1bbaf05))
-    (fp_line (start -0.8 -0.4) (end 0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 797447b8-1406-46cb-a15d-bd7cbb01dbe4))
-    (fp_line (start 0.8 -0.4) (end 0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp 88bfcf11-f675-4bd8-a6dc-04f15d2c465e))
-    (fp_line (start -0.8 0.4) (end -0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp cd40131f-d354-4352-b0d1-37ef718f0f8d))
-    (fp_line (start 0.8 0.4) (end -0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp dccf7275-0bb8-4c78-9928-8c9122d40a25))
+    (fp_line (start -0.146267 0.51) (end 0.146267 0.51) (layer "F.SilkS") (width 0.12) (tstamp 7454cc05-d177-4fbc-8f47-f5b3ed9436a6))
+    (fp_line (start -0.146267 -0.51) (end 0.146267 -0.51) (layer "F.SilkS") (width 0.12) (tstamp f3aaff3b-4807-4b3b-baa9-1644b471932c))
+    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 1596e755-310e-4d11-843a-efb5f63894f0))
+    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 40b935f5-697d-4598-9ce9-616b4b14451d))
+    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 642a24ca-5f60-4d70-b72e-3b69ea569d8b))
+    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp ec20dbc2-60c4-433f-a2ea-c6115eb99023))
+    (fp_line (start 0.8 -0.4) (end 0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp 2b3c1361-c1b0-4389-bb0c-ba71f231da77))
+    (fp_line (start -0.8 0.4) (end -0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 503a49e5-edba-4f8d-8555-7d40231a7d77))
+    (fp_line (start -0.8 -0.4) (end 0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 6e3f8a87-d8ca-4637-b2d0-6a201734f1ef))
+    (fp_line (start 0.8 0.4) (end -0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp b3068c87-de45-4b04-a3ee-b8b0e6582da8))
     (pad "1" smd roundrect (at -0.8625 0) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 45 "VSTORE") (pintype "passive") (tstamp 540b881b-3a4b-4b77-97ec-03c3957ee480))
+      (net 45 "VSTORE") (pintype "passive") (tstamp 53978889-2010-40c1-8a17-48c64bae4675))
     (pad "2" smd roundrect (at 0.8625 0) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 43 "GND") (pintype "passive") (tstamp bfe2f937-6b48-4c4a-980e-31672eadade6))
+      (net 43 "GND") (pintype "passive") (tstamp 403a9612-2321-4476-bc1c-1d8033868025))
     (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -1120,42 +1120,42 @@
 
   (footprint "MYLIB:TestPoint_Pad_3x1_D1.5mm" (layer "F.Cu")
     (tedit 61E801E7) (tstamp 56e516e2-093c-4aed-91b0-e16cb2aab3c1)
-    (at 159.285 73.98)
+    (at 139.7 80.01)
     (descr "SMD pad as test Point, diameter 1.5mm")
     (tags "test point SMD pad")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
     (property "Sheetname" "")
     (path "/6b5d3814-0972-44a1-8365-8d3e12329175")
     (attr exclude_from_pos_files)
-    (fp_text reference "J2" (at 2.54 -1.648) (layer "F.SilkS")
+    (fp_text reference "J2" (at 6.985 1.27) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 319f00a2-8d1a-4f55-90a9-cd0d6b514852)
+      (tstamp 3c6de413-e7d1-48f5-a7f4-6b53243027e6)
     )
     (fp_text value "USB" (at 0 1.75) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 61b03ad6-4331-45f9-b6d3-2c17ddf5dba9)
+      (tstamp aa0fcf98-69ac-4145-919d-c5f243a105ed)
     )
     (fp_text user "${REFERENCE}" (at 2.54 -1.65) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 060f83a1-1648-4cda-80f4-20e4aba02c39)
+      (tstamp 16a9666d-cb8b-4baa-bfba-e37661f19643)
     )
-    (fp_circle (center 0 0) (end 0 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 10634734-a1ab-47c0-b19e-f63665a8beaf))
-    (fp_circle (center 2.54 0) (end 2.54 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 366a99f0-b902-4ee5-b3b1-db15e647712c))
-    (fp_circle (center 5.08 0) (end 5.08 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 6c5179b3-b411-4a09-a9d4-3be699dd0440))
-    (fp_circle (center 5.08 0) (end 6.33 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp cd53972f-5116-4199-a8a8-ddce90b2ed5a))
-    (fp_circle (center 2.54 0) (end 3.79 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp cdf4c750-ac61-4409-acbc-c80e27e2893f))
-    (fp_circle (center 0 0) (end 1.25 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp ff185924-5126-4d10-ab53-e810149400c1))
+    (fp_circle (center 5.08 0) (end 5.08 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 1d3241f6-bc14-4545-bb7a-791156b84d04))
+    (fp_circle (center 0 0) (end 0 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 4c65e625-632a-4ede-a5d8-cc13adca03e3))
+    (fp_circle (center 2.54 0) (end 2.54 0.95) (layer "F.SilkS") (width 0.12) (fill none) (tstamp ee41b432-9434-4d40-975e-838c9e9eb4c0))
+    (fp_circle (center 0 0) (end 1.25 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp 31b763c1-e4ed-4021-b978-7aadaccdfd26))
+    (fp_circle (center 2.54 0) (end 3.79 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp 68f3808b-758f-4f33-ad0b-f87aff8c165e))
+    (fp_circle (center 5.08 0) (end 6.33 0) (layer "F.CrtYd") (width 0.05) (fill none) (tstamp 85174786-5155-4824-9d5c-b53897c3c02e))
     (pad "1" smd circle (at 0 0) (size 1.5 1.5) (layers "F.Cu" "F.Mask")
-      (net 14 "D+") (pinfunction "Pin_1") (pintype "passive") (tstamp 5c8e4f8b-749f-4955-8545-65e4bfab65ea))
+      (net 14 "D+") (pinfunction "Pin_1") (pintype "passive") (tstamp eea2f196-8cff-49f9-aa41-7db6f9cc6998))
     (pad "2" smd circle (at 2.54 0) (size 1.5 1.5) (layers "F.Cu" "F.Mask")
-      (net 15 "D-") (pinfunction "Pin_2") (pintype "passive") (tstamp 486235f5-33fa-4a91-a794-4ac50d71b53b))
+      (net 15 "D-") (pinfunction "Pin_2") (pintype "passive") (tstamp 167508b6-cce8-488c-981f-85c601b01030))
     (pad "3" smd circle (at 5.08 0) (size 1.5 1.5) (layers "F.Cu" "F.Mask")
-      (net 43 "GND") (pinfunction "Pin_3") (pintype "passive") (tstamp 34162bb1-e048-4f93-8682-de823bd4ce62))
+      (net 43 "GND") (pinfunction "Pin_3") (pintype "passive") (tstamp 41c7d499-eed1-46d4-b0aa-f5c07702a96d))
   )
 
   (footprint "MYLIB:QFN50P300X300X100-17N" (layer "F.Cu")
     (tedit 62850745) (tstamp 5b02256b-5a62-4cae-a8be-f3724cae10ac)
-    (at 157.48 126.365)
+    (at 140.28 99.115)
     (property "MANUFACTURER" "Texas Instruments")
     (property "MAXIMUM_PACKAGE_HIEGHT" "1mm")
     (property "PARTREV" "F")
@@ -1166,75 +1166,80 @@
     (attr through_hole)
     (fp_text reference "U2" (at -0.165 -3.24) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 51a79da5-cf8e-475b-a7d4-6b0fabd89383)
+      (tstamp a06a6d38-2b44-4aa5-8bc5-e02da2e1d3e7)
     )
     (fp_text value "BQ25504RGTT" (at -0.635 4.445) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp d374c33d-3580-4779-b300-429c8b046277)
+      (tstamp 6c2d7a41-c605-41ea-b29d-2c4dbdada797)
     )
     (fp_poly (pts
         (xy -0.53 -0.53)
         (xy 0.53 -0.53)
         (xy 0.53 0.53)
         (xy -0.53 0.53)
-      ) (layer "F.Paste") (width 0.01) (fill solid) (tstamp c575ba3a-490c-4887-8199-feba270f8a1b))
-    (fp_line (start -1.5 -1.5) (end -1.2 -1.5) (layer "F.SilkS") (width 0.127) (tstamp 2a240d05-d676-42ff-ba51-e48971c41a80))
-    (fp_line (start -1.5 1.5) (end -1.2 1.5) (layer "F.SilkS") (width 0.127) (tstamp 2a8fcbcd-1b9e-49e0-9bf7-fa16ebb3a3c1))
-    (fp_line (start 1.5 -1.5) (end 1.5 -1.2) (layer "F.SilkS") (width 0.127) (tstamp 3bd13339-ec83-48a9-8820-45a3afe0c20e))
-    (fp_line (start 1.5 -1.5) (end 1.2 -1.5) (layer "F.SilkS") (width 0.127) (tstamp 5243cd23-945f-4c67-9db8-6dfa68e56b55))
-    (fp_line (start -1.5 1.5) (end -1.5 1.2) (layer "F.SilkS") (width 0.127) (tstamp 7396a495-761a-4c7f-8cf1-5aa69f02e9c7))
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-    (fp_line (start 1.5 1.5) (end 1.5 1.2) (layer "F.SilkS") (width 0.127) (tstamp ee0deccf-ee37-4084-97a6-d65ad8d335b3))
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+      ) (layer "F.Paste") (width 0.01) (fill solid) (tstamp 26bea4c1-11bd-421f-b3b4-a11c0417f40b))
+    (fp_line (start 1.5 -1.5) (end 1.2 -1.5) (layer "F.SilkS") (width 0.127) (tstamp 0b47908b-8986-41fb-9b26-30b6d31664d2))
+    (fp_line (start -1.5 1.5) (end -1.2 1.5) (layer "F.SilkS") (width 0.127) (tstamp 1be65e14-6544-4f2d-9c27-8cae289cabcd))
+    (fp_line (start 1.5 1.5) (end 1.2 1.5) (layer "F.SilkS") (width 0.127) (tstamp 2346b04e-42ad-419a-9e79-0d91d2db8b19))
+    (fp_line (start 1.5 1.5) (end 1.5 1.2) (layer "F.SilkS") (width 0.127) (tstamp 498a9325-0e7b-4e21-9f4b-81b6ef4e927d))
+    (fp_line (start -1.5 -1.5) (end -1.5 -1.2) (layer "F.SilkS") (width 0.127) (tstamp 4a291a43-b2cc-43b5-b2a3-7411d68f1a09))
+    (fp_line (start -1.5 -1.5) (end -1.2 -1.5) (layer "F.SilkS") (width 0.127) (tstamp 6235cbd2-8a1d-4902-ba20-d384fb74e855))
+    (fp_line (start 1.5 -1.5) (end 1.5 -1.2) (layer "F.SilkS") (width 0.127) (tstamp 97daf0c7-10e9-475b-b18b-64ec493ef5e5))
+    (fp_line (start -1.5 1.5) (end -1.5 1.2) (layer "F.SilkS") (width 0.127) (tstamp d82e499d-bf73-4c84-8a0c-928dd2df367f))
+    (fp_circle (center -2.475 -0.95) (end -2.375 -0.95) (layer "F.SilkS") (width 0.2) (fill none) (tstamp ee674d77-e619-4bef-95eb-68218de2e54c))
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+    (fp_line (start -2.115 -2.115) (end 2.115 -2.115) (layer "F.CrtYd") (width 0.05) (tstamp 901eaeff-6187-4f5e-8f9c-de77b6002dd0))
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-      (net 25 "Net-(R_OK3-Pad1)") (pinfunction "VRDIV") (pintype "output") (tstamp c0a7851f-5ffe-4ec9-a0a9-da11be174511))
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-      (net 28 "VBAT_OK") (pinfunction "VBAT_OK") (pintype "output") (tstamp 105106f9-1fe2-4bd2-907d-3898f83bf828))
+      (net 28 "VBAT_OK") (pinfunction "VBAT_OK") (pintype "output") (tstamp 7abe9a83-a096-412a-8f02-0cf7fdd2a3dc))
     (pad "12" smd roundrect (at 1.435 -0.75) (size 0.86 0.26) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.03)
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-      (net 43 "GND") (pinfunction "VSS_13") (pintype "power_in") (tstamp 59310263-7d3b-4e2c-9318-1e71ae1ecfe7))
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-      (net 1 "VBAT") (pinfunction "VBAT") (pintype "bidirectional") (tstamp a035db87-3bc7-4c52-b1c1-fb815d1a7f73))
+      (net 1 "VBAT") (pinfunction "VBAT") (pintype "bidirectional") (tstamp b4693664-4fce-44e8-a476-cc480fb6bc8c))
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-      (net 45 "VSTORE") (pinfunction "VSTOR") (pintype "power_out") (tstamp 0aeaf834-5cc2-4c28-a5ea-8154ed427b4e))
+      (net 45 "VSTORE") (pinfunction "VSTOR") (pintype "power_out") (tstamp 6182c4ce-8078-474f-a03c-b9a5e9894931))
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+      (net 48 "Net-(L_BST1-Pad2)") (pinfunction "LBST") (pintype "input") (tstamp fed32868-db9d-48a3-b277-2f28a7982271))
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+    (pad "17" thru_hole circle (at 0.58 -0.58) (size 0.4 0.4) (drill 0.2) (layers *.Cu)
+      (net 43 "GND") (pinfunction "EPAD") (pintype "power_in") (tstamp 330b9cd7-9fc2-4ab7-b3f6-4c86e0766895))
     (pad "17" smd rect (at 0 0) (size 1.68 1.68) (layers "F.Cu" "F.Mask")
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+      (net 43 "GND") (pinfunction "EPAD") (pintype "power_in") (tstamp 9fedccbb-246d-4317-9885-443abf9e6373))
+    (pad "17" thru_hole circle (at 0.58 0.58) (size 0.4 0.4) (drill 0.2) (layers *.Cu)
+      (net 43 "GND") (pinfunction "EPAD") (pintype "power_in") (tstamp bce49b83-306c-4a9d-9133-84c6821a5cc2))
+    (pad "17" thru_hole circle (at 0 0) (size 0.4 0.4) (drill 0.2) (layers *.Cu)
+      (net 43 "GND") (pinfunction "EPAD") (pintype "power_in") (tstamp cfef11b1-783a-48ab-9f89-3c63618733b3))
+    (pad "17" thru_hole circle (at -0.58 0.58) (size 0.4 0.4) (drill 0.2) (layers *.Cu)
+      (net 43 "GND") (pinfunction "EPAD") (pintype "power_in") (tstamp e1d3e577-ce25-4c43-b472-5d7178349f6c))
     (model "${KIPRJMOD}/symbols/BQ25504RGTT/BQ25504RGTT.step"
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@@ -1244,39 +1249,39 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 5c9bb5d2-b314-4b57-bbd3-bb530474019a)
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+      (net 8 "Net-(D2-Pad1)") (pintype "passive") (tstamp fe67bf18-855c-400a-a7b9-77ffb51c137b))
+    (pad "2" smd roundrect (at 0.9125 0 180) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 43 "GND") (pintype "passive") (tstamp e9afb394-83bc-4800-b508-2cdad81d41e5))
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@@ -1286,39 +1291,39 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 61fab569-2ee6-4547-bec0-b6bd7a73e319)
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@@ -1328,7 +1333,7 @@
 
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+      (net 21 "Net-(R_OC1-Pad1)") (pintype "passive") (tstamp 11006b4a-f635-4d04-850c-4d2721ef1788))
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-      (net 22 "Net-(R_OC1-Pad2)") (pintype "passive") (tstamp 598f9af4-38a4-48b2-a997-86f220a3699d))
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@@ -1370,7 +1375,7 @@
 
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-      (net 21 "Net-(R_OC1-Pad1)") (pintype "passive") (tstamp 3c3d8e04-8a4b-409b-8bdc-3adbedb2458d))
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@@ -1412,7 +1417,7 @@
 
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     (tedit 5F68FEEF) (tstamp 65c05421-e61c-44ce-86a0-564feb3a7e1e)
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     (tags "capacitor handsolder")
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-      (net 43 "GND") (pintype "passive") (tstamp 19f49b76-9837-463c-82ea-f42e90b40c27))
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@@ -1454,39 +1459,39 @@
 
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@@ -1496,76 +1501,76 @@
 
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+    (fp_line (start 3.1604 -5.4483) (end 3.1604 -5.4483) (layer "F.CrtYd") (width 0.05) (tstamp c73c675c-bca3-4cfe-9967-de6ad42a09c1))
+    (fp_line (start 3.1604 5.4483) (end -3.1604 5.4483) (layer "F.CrtYd") (width 0.05) (tstamp d3d7e808-ebed-4654-95ee-2501cd229e03))
+    (fp_line (start 5.4483 3.1604) (end 5.4483 3.1604) (layer "F.CrtYd") (width 0.05) (tstamp d42b96f8-5c93-4218-a2e2-4a2cd470bdd3))
+    (fp_line (start -3.1604 -5.4483) (end -3.1604 -5.4483) (layer "F.CrtYd") (width 0.05) (tstamp ed418d63-0a79-457b-9555-0ec43a93d9bd))
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+    (fp_line (start 5.4483 3.1604) (end 5.4483 5.4483) (layer "F.CrtYd") (width 0.05) (tstamp f4c73cd5-709c-43cc-b5ed-5367322fb2e0))
+    (fp_line (start -5.1943 5.1943) (end 5.1943 5.1943) (layer "F.Fab") (width 0.1) (tstamp 43dbf016-b670-47d6-8d47-bdea420713f0))
+    (fp_line (start -5.1943 -5.1943) (end -5.1943 5.1943) (layer "F.Fab") (width 0.1) (tstamp 76d57206-0a74-4759-90f6-bf98dc8ebff9))
+    (fp_line (start 5.1943 5.1943) (end 5.1943 -5.1943) (layer "F.Fab") (width 0.1) (tstamp 7f271717-3cbf-4cec-b29a-08c47fc0fc33))
+    (fp_line (start 5.1943 -5.1943) (end -5.1943 -5.1943) (layer "F.Fab") (width 0.1) (tstamp d912ec43-a167-41c9-a0bd-4d501e1679dc))
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     (pad "1" smd rect (at -4 -2.5 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 29 "unconnected-(U4-Pad1)") (pinfunction "DNC") (pintype "no_connect") (tstamp 028f3a27-5f3a-4e81-b68e-9cb05435c287))
+      (net 29 "unconnected-(U4-Pad1)") (pinfunction "DNC") (pintype "no_connect") (tstamp 2aaafc37-68af-469e-ac5a-e6114af538c1))
     (pad "2" smd rect (at -4 -1.25 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 30 "unconnected-(U4-Pad2)") (pinfunction "DNC") (pintype "no_connect") (tstamp 80de70b4-83e5-4338-bbc1-e660ad8e17fc))
+      (net 30 "unconnected-(U4-Pad2)") (pinfunction "DNC") (pintype "no_connect") (tstamp b1243e12-7c1c-49f9-a489-bcc6874f3101))
     (pad "3" smd rect (at -4 0 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 31 "unconnected-(U4-Pad3)") (pinfunction "DNC") (pintype "no_connect") (tstamp bc24fdb4-bf55-4ebd-bf50-c7926fc46b6e))
+      (net 31 "unconnected-(U4-Pad3)") (pinfunction "DNC") (pintype "no_connect") (tstamp 37c8dbbe-a918-417b-a8a1-28540fcdcd24))
     (pad "4" smd rect (at -4 1.25 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 32 "unconnected-(U4-Pad4)") (pinfunction "DNC") (pintype "no_connect") (tstamp 68a963cf-620c-4403-bead-896996ab915a))
+      (net 32 "unconnected-(U4-Pad4)") (pinfunction "DNC") (pintype "no_connect") (tstamp 0d397a45-6673-4719-a3e0-4efa41973d99))
     (pad "5" smd rect (at -4 2.5 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 33 "unconnected-(U4-Pad5)") (pinfunction "DNC") (pintype "no_connect") (tstamp 8875588a-0d0d-4386-8d59-80879c6eaa65))
+      (net 33 "unconnected-(U4-Pad5)") (pinfunction "DNC") (pintype "no_connect") (tstamp c1a79345-3a56-465a-abe6-c0725c2c1579))
     (pad "6" smd rect (at -2.5 4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 3ef3b1ae-fa8c-46af-bd21-ec322c38ba78))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 0a42423c-dba4-4ed8-b6fc-2a87d3f68292))
     (pad "7" smd rect (at -1.25 4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 44 "+3V3") (pinfunction "VDD") (pintype "power_in") (tstamp d7937dfa-1486-4890-9b95-81a19834f9a9))
+      (net 44 "+3V3") (pinfunction "VDD") (pintype "power_in") (tstamp feeed741-5744-4b64-bb46-31fe97d278fd))
     (pad "8" smd rect (at 0 4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 34 "unconnected-(U4-Pad8)") (pinfunction "DNC") (pintype "no_connect") (tstamp 8d567854-fd01-47c7-9b30-387c2088f125))
+      (net 34 "unconnected-(U4-Pad8)") (pinfunction "DNC") (pintype "no_connect") (tstamp 5746a995-0b13-44a1-84aa-29fa46622862))
     (pad "9" smd rect (at 1.25 4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 16 "SCL") (pinfunction "SCL") (pintype "input") (tstamp 8240d136-4ad1-4c9b-85c9-748730e1ffe9))
+      (net 16 "SCL") (pinfunction "SCL") (pintype "input") (tstamp f30c8517-4cdd-4075-b0ef-724d2c07f483))
     (pad "10" smd rect (at 2.5 4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 18 "SDA") (pinfunction "SDA") (pintype "bidirectional") (tstamp b13fcea7-ba1f-4772-b12f-b0f7c2fa52e9))
+      (net 18 "SDA") (pinfunction "SDA") (pintype "bidirectional") (tstamp 92c7d2ab-6a8b-40bb-aa94-07ac901c1c6a))
     (pad "11" smd rect (at 4 2.5 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 35 "unconnected-(U4-Pad11)") (pinfunction "DNC") (pintype "no_connect") (tstamp 8929fded-1eb9-411a-991d-dafcca7a90ab))
+      (net 35 "unconnected-(U4-Pad11)") (pinfunction "DNC") (pintype "no_connect") (tstamp 5a0d0df4-e30f-4bc0-bf65-18fcb4454dc7))
     (pad "12" smd rect (at 4 1.25 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 36 "unconnected-(U4-Pad12)") (pinfunction "DNC") (pintype "no_connect") (tstamp ff68b5c7-b855-41e3-8587-e922ba948f8a))
+      (net 36 "unconnected-(U4-Pad12)") (pinfunction "DNC") (pintype "no_connect") (tstamp b00e9a64-a103-461e-b2fa-cf478ab10ba1))
     (pad "13" smd rect (at 4 0 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 37 "unconnected-(U4-Pad13)") (pinfunction "DNC") (pintype "no_connect") (tstamp c77d1419-fe53-4897-bd43-aefab0efd090))
+      (net 37 "unconnected-(U4-Pad13)") (pinfunction "DNC") (pintype "no_connect") (tstamp c3ff0e0e-89e0-40b2-a501-82349a8cc058))
     (pad "14" smd rect (at 4 -1.25 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 38 "unconnected-(U4-Pad14)") (pinfunction "DNC") (pintype "no_connect") (tstamp df704224-3b9c-4bef-bed8-aab6cd41449b))
+      (net 38 "unconnected-(U4-Pad14)") (pinfunction "DNC") (pintype "no_connect") (tstamp 47a49c52-735d-4340-960a-d6a54a79e83a))
     (pad "15" smd rect (at 4 -2.5 90) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 39 "unconnected-(U4-Pad15)") (pinfunction "DNC") (pintype "no_connect") (tstamp 492013d9-1556-41cf-8bb8-01f9caae1246))
+      (net 39 "unconnected-(U4-Pad15)") (pinfunction "DNC") (pintype "no_connect") (tstamp 46558307-dca7-49f9-b9a3-a819cb15ce28))
     (pad "16" smd rect (at 2.5 -4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 40 "unconnected-(U4-Pad16)") (pinfunction "DNC") (pintype "no_connect") (tstamp 229b4e6f-cffd-4e77-8b95-9a3cdedd6e6a))
+      (net 40 "unconnected-(U4-Pad16)") (pinfunction "DNC") (pintype "no_connect") (tstamp 3f14f52f-1cc4-42a4-806a-c1eea1d0e52b))
     (pad "17" smd rect (at 1.25 -4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 41 "unconnected-(U4-Pad17)") (pinfunction "DNC") (pintype "no_connect") (tstamp b20bdcfb-4bf5-4797-b2be-4a78c601714f))
+      (net 41 "unconnected-(U4-Pad17)") (pinfunction "DNC") (pintype "no_connect") (tstamp fe78df2f-f2f4-4810-bef9-7db91c3707e6))
     (pad "18" smd rect (at 0 -4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 42 "unconnected-(U4-Pad18)") (pinfunction "DNC") (pintype "no_connect") (tstamp 8f92000f-0700-49ef-aff9-86455152ae5e))
+      (net 42 "unconnected-(U4-Pad18)") (pinfunction "DNC") (pintype "no_connect") (tstamp a5394d53-da79-4484-915c-84a2fe4308d9))
     (pad "19" smd rect (at -1.25 -4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 44 "+3V3") (pinfunction "VDDH") (pintype "power_in") (tstamp d9a8c65b-a92c-487f-afac-00ca8a93008d))
+      (net 44 "+3V3") (pinfunction "VDDH") (pintype "power_in") (tstamp 87531785-08b6-4dc4-a40e-e64c46a748f8))
     (pad "20" smd rect (at -2.5 -4) (size 0.8128 1.4986) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 73cf3161-9b4b-498a-8876-4374ac836bb8))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 5afa185b-74a6-4d8d-ba72-ace59190dba4))
     (pad "21" smd rect (at 0 0) (size 4.8006 4.8006) (layers "F.Cu" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 1f21c698-0bfb-444e-be29-0dd24cc6a4b9))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 627c4c77-4ffa-4ec2-adcf-908cc1c4cd1d))
     (model "${KIPRJMOD}/footprints/SCD41-D-R2--3DModel-STEP-369182.STEP"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -1835,7 +1840,7 @@
 
   (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEF) (tstamp 842745f0-4e02-41b4-a26b-c4308bbd7f7d)
-    (at 165.495 77.01)
+    (at 124.46 93.98 180)
     (descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "capacitor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
@@ -1844,30 +1849,30 @@
     (attr smd)
     (fp_text reference "C7" (at 0 -1.43) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 5e36f7fb-45bd-467b-a1c8-8ac358cf25d1)
+      (tstamp ff583da1-f522-42a0-ad2e-0d323afba524)
     )
     (fp_text value "10uF" (at 0 1.43) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 45fc2915-be7a-4c58-b9dc-3f7977f26005)
+      (tstamp ca0df60f-c3a7-4bc4-9ca8-a03fc93970e5)
     )
     (fp_text user "${REFERENCE}" (at 0 0) (layer "F.Fab")
       (effects (font (size 0.4 0.4) (thickness 0.06)))
-      (tstamp 700888d8-d5a2-4f2f-be49-8fcbb0b3873d)
+      (tstamp 6baba2d1-8c9f-41fd-8adb-d3988c1ba87d)
     )
-    (fp_line (start -0.146267 -0.51) (end 0.146267 -0.51) (layer "F.SilkS") (width 0.12) (tstamp 7c16c8f7-5c34-440f-9370-4fcc737e96d9))
-    (fp_line (start -0.146267 0.51) (end 0.146267 0.51) (layer "F.SilkS") (width 0.12) (tstamp f1023e89-00fc-4cef-b9d8-35f5835b4092))
-    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 69b77791-2681-4421-a18a-3f1eb1f404c7))
-    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 9541ae2a-3f3d-4738-8ff4-98864b3e94bb))
-    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp b47cde50-4bf3-4330-811a-94a200bac05b))
-    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp bee96451-5c8c-48f1-bd45-33b25b3f1327))
-    (fp_line (start -0.8 -0.4) (end 0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 099e0097-2562-4188-b6a8-9a8132e16448))
-    (fp_line (start 0.8 -0.4) (end 0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp 3a20e061-6ccb-43bf-98ff-e148bfcb1c60))
-    (fp_line (start 0.8 0.4) (end -0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp d21b121a-7ed8-459a-bd26-c10d81aaae16))
-    (fp_line (start -0.8 0.4) (end -0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp d34fff19-d3db-4dc4-af2f-29671c135bfc))
-    (pad "1" smd roundrect (at -0.8625 0) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 44 "+3V3") (pintype "passive") (tstamp 9ec46d88-7edf-461e-9d06-8cc1d460280c))
-    (pad "2" smd roundrect (at 0.8625 0) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 43 "GND") (pintype "passive") (tstamp ac94fbfa-bb58-4857-b116-72e2e0d6b5b5))
+    (fp_line (start -0.146267 0.51) (end 0.146267 0.51) (layer "F.SilkS") (width 0.12) (tstamp 3712744b-0c1c-4a86-bb57-d6bb42dab365))
+    (fp_line (start -0.146267 -0.51) (end 0.146267 -0.51) (layer "F.SilkS") (width 0.12) (tstamp c6193d59-7629-4ac8-a95a-840069807565))
+    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 160a8e31-e3df-4faf-93b5-cec1f1bc5419))
+    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 165b91d9-8d5a-40cc-9a44-5c86284e7589))
+    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp b0c5b636-9cb7-4df0-8f21-00f093ca58bb))
+    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp b3a69aca-0599-4a25-a65e-6690cdd51080))
+    (fp_line (start 0.8 0.4) (end -0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp 0d43fb1f-f619-4d76-be46-c6c45b70a907))
+    (fp_line (start 0.8 -0.4) (end 0.8 0.4) (layer "F.Fab") (width 0.1) (tstamp 34468220-bb74-4cb1-a248-8175dabb7a29))
+    (fp_line (start -0.8 -0.4) (end 0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 58add908-b3f1-48b8-a5c0-b58d50b8bd3b))
+    (fp_line (start -0.8 0.4) (end -0.8 -0.4) (layer "F.Fab") (width 0.1) (tstamp 8186146d-9f5b-4ad1-9a22-5a64342b5db7))
+    (pad "1" smd roundrect (at -0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 44 "+3V3") (pintype "passive") (tstamp a32ce122-59b6-4661-82bd-35dca1c56997))
+    (pad "2" smd roundrect (at 0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 43 "GND") (pintype "passive") (tstamp cf51fe20-209c-494b-81aa-c8edbb7ff4ae))
     (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -1877,39 +1882,39 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
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@@ -1919,39 +1924,39 @@
 
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@@ -1961,7 +1966,7 @@
 
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     (tedit 5F68FEEE) (tstamp 8e55f647-43db-49e7-8485-0c5a99c98e64)
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     (tags "resistor handsolder")
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-      (net 25 "Net-(R_OK3-Pad1)") (pintype "passive") (tstamp 94b6c974-1a37-4432-8c4a-0030924a472e))
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-      (net 27 "Net-(R_UV1-Pad1)") (pintype "passive") (tstamp b7e5cec3-f420-4e88-aa84-0fc378031c12))
+      (net 27 "Net-(R_UV1-Pad1)") (pintype "passive") (tstamp 4f045d16-20f2-40f4-b21b-348fa6b474f9))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -2003,7 +2008,7 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 91a74fe3-3d7e-451e-ae98-0fec30b93a22)
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     (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "resistor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
@@ -2012,30 +2017,30 @@
     (attr smd)
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-      (net 27 "Net-(R_UV1-Pad1)") (pintype "passive") (tstamp 9ab0f4f9-4dc6-4b07-8ca7-6401af613023))
+      (net 27 "Net-(R_UV1-Pad1)") (pintype "passive") (tstamp f657f17c-631c-428c-a945-9bf5e1432ad7))
     (pad "2" smd roundrect (at 0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 43 "GND") (pintype "passive") (tstamp 0dc43136-901a-4916-811f-9b2837399ccd))
+      (net 43 "GND") (pintype "passive") (tstamp 7bbb3143-bbc8-46c4-b479-e0f5dd6e06f0))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -2045,7 +2050,7 @@
 
   (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEF) (tstamp 92281bb3-7be7-4ea4-9065-4a852c89ec2c)
-    (at 153.035 123.19)
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     (descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "capacitor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
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-      (net 46 "Net-(C_HVR1-Pad1)") (pintype "passive") (tstamp e4dd57a8-2d8c-44b8-acc0-61927b731837))
+      (net 46 "Net-(C_HVR1-Pad1)") (pintype "passive") (tstamp 035411e3-b622-4e4a-9956-236ac4db3a1e))
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-      (net 43 "GND") (pintype "passive") (tstamp ec35e9e5-06e7-414c-84cd-34de1bc4db10))
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@@ -2087,7 +2092,7 @@
 
   (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEF) (tstamp 94ad7710-f26a-4da9-8901-59437310f2f4)
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     (descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "capacitor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
@@ -2096,30 +2101,30 @@
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       (effects (font (size 1 1) (thickness 0.15)))
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+      (tstamp c916f5a7-51c5-4c6f-883e-73bf6af11752)
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       (effects (font (size 0.4 0.4) (thickness 0.06)))
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-      (net 43 "GND") (pintype "passive") (tstamp 8f7ae8f4-cef4-465a-b63c-94e0ab1ffb49))
+      (net 43 "GND") (pintype "passive") (tstamp 2a4cb847-4d45-435f-aa9f-c5ae383ae568))
     (pad "2" smd roundrect (at 0.8625 0) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 5 "Net-(C_REF1-Pad2)") (pintype "passive") (tstamp f8f588c0-db32-449f-a973-b1edcc8c05cd))
+      (net 5 "Net-(C_REF1-Pad2)") (pintype "passive") (tstamp c7c284ce-d891-4e6c-b065-19a2bd3354e3))
     (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -2129,39 +2134,39 @@
 
   (footprint "Connector_Wire:SolderWire-0.75sqmm_1x02_P4.8mm_D1.25mm_OD2.3mm" (layer "F.Cu")
     (tedit 5EB70B43) (tstamp 9fa7c805-006b-4790-8213-df771a911b16)
-    (at 111.125 99.695)
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     (descr "Soldered wire connection, for 2 times 0.75 mm² wires, basic insulation, conductor diameter 1.25mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator")
     (tags "connector wire 0.75sqmm")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
     (property "Sheetname" "")
     (path "/95a75893-15fd-47c7-abb2-bc3daaebcf58")
     (attr exclude_from_pos_files)
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+    (fp_text reference "SC1" (at 2.4 -2.47 90) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
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-    (fp_text value "KXOB201K04F" (at 2.4 2.47) (layer "F.Fab")
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+      (net 46 "Net-(C_HVR1-Pad1)") (pinfunction "+") (pintype "passive") (tstamp 295cb715-6b91-4cb6-afdc-acea0516fad6))
+    (pad "2" thru_hole circle (at 4.8 0 270) (size 2.55 2.55) (drill 1.55) (layers *.Cu *.Mask)
+      (net 43 "GND") (pinfunction "-") (pintype "passive") (tstamp 019e7d96-4162-40eb-ab1a-cc897c16af9f))
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-      (net 6 "Net-(D1-Pad1)") (pinfunction "K") (pintype "passive") (tstamp f8c6c6cd-1347-4771-95fe-ea85521f036a))
+      (net 6 "Net-(D1-Pad1)") (pinfunction "K") (pintype "passive") (tstamp fe7f4c5a-3160-4544-a010-cf19955153db))
     (pad "2" smd roundrect (at 0.875 0) (size 1.05 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 7 "Net-(D1-Pad2)") (pinfunction "A") (pintype "passive") (tstamp e479a198-af0a-4787-968b-7e918fb62940))
+      (net 7 "Net-(D1-Pad2)") (pinfunction "A") (pintype "passive") (tstamp ab03fd81-c41e-4338-ba21-bff601227bce))
     (model "${KICAD6_3DMODEL_DIR}/LED_SMD.3dshapes/LED_0603_1608Metric.wrl"
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@@ -2215,7 +2220,7 @@
 
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     (tedit 5F68FEEE) (tstamp ad611d44-1058-4104-a60a-2097350fd314)
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     (tags "resistor handsolder")
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@@ -2224,30 +2229,30 @@
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-      (net 26 "Net-(R_OV1-Pad1)") (pintype "passive") (tstamp cf524b33-a17a-4ed1-8697-07775fd52a35))
+      (net 26 "Net-(R_OV1-Pad1)") (pintype "passive") (tstamp e178acb2-60c5-4170-829f-179cbd9aa398))
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-      (net 43 "GND") (pintype "passive") (tstamp c4999489-8762-4862-8c55-e38239d48576))
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     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
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@@ -2257,7 +2262,7 @@
 
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     (tedit 5F68FEEE) (tstamp b3d45bfc-7d41-480f-8377-64719dcf6352)
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     (tags "resistor handsolder")
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-      (net 43 "GND") (pintype "passive") (tstamp e7bffcc6-0323-47b8-aac3-ec9eb0405509))
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@@ -2299,39 +2304,39 @@
 
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+      (net 4 "Net-(C3-Pad1)") (pintype "passive") (tstamp 8097bcc4-ef2f-4a2a-b6e5-b48f0c1dbc98))
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+      (net 44 "+3V3") (pintype "passive") (tstamp 3635da88-d953-4dc5-8934-70ba533d573b))
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@@ -2341,41 +2346,41 @@
 
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     (tedit 5F68FEF1) (tstamp c198e5a9-0340-4d8d-a788-5df0a8dd384d)
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-      (net 10 "Net-(D3-Pad1)") (pinfunction "K") (pintype "passive") (tstamp e1d43bc3-0323-494d-83ce-50196fc76dc8))
+      (net 10 "Net-(D3-Pad1)") (pinfunction "K") (pintype "passive") (tstamp b16e72bf-307c-4c85-8934-1491c6f09d17))
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-      (net 11 "Net-(D3-Pad2)") (pinfunction "A") (pintype "passive") (tstamp c60c5b60-d48c-430f-bfa6-6b8efcc04da6))
+      (net 11 "Net-(D3-Pad2)") (pinfunction "A") (pintype "passive") (tstamp 220df036-430f-44fc-ab63-41d125b1a04e))
     (model "${KICAD6_3DMODEL_DIR}/LED_SMD.3dshapes/LED_0603_1608Metric.wrl"
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@@ -2385,7 +2390,7 @@
 
   (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEF) (tstamp d00cbfbb-4b14-449a-92b5-8b8a89d17f0c)
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     (tags "capacitor handsolder")
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+      (net 45 "VSTORE") (pintype "passive") (tstamp 9979868b-e973-4a46-acea-6775c3573a3a))
+    (pad "2" smd roundrect (at 0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 43 "GND") (pintype "passive") (tstamp ee2fb803-0654-4f24-a554-18c2d27c913e))
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@@ -2427,39 +2432,39 @@
 
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     (tedit 5F68FEEF) (tstamp d9fe2d51-c496-4649-bcbe-d3de7d1a8abe)
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+      (net 43 "GND") (pintype "passive") (tstamp 4f6c56df-7ecf-4b3a-8e04-d573411f049d))
+    (pad "2" smd roundrect (at 0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 2 "Net-(C1-Pad2)") (pintype "passive") (tstamp e9ad8470-7243-4ff4-9114-7cae02e78754))
     (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
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@@ -2469,39 +2474,39 @@
 
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     (tedit 5F68FEEF) (tstamp dbf9adde-1faf-499d-a332-325bda291842)
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+    (pad "2" smd roundrect (at 0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
+      (net 43 "GND") (pintype "passive") (tstamp 2d94dfd0-3956-4146-978a-80ee0db50690))
     (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
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@@ -2511,50 +2516,50 @@
 
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     (tedit 628CFF4A) (tstamp e7cebb7a-19e5-4333-b234-ef26d44dd33b)
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+      (net 3 "Net-(C2-Pad2)") (pinfunction "1") (pintype "passive") (tstamp 28902b6e-92da-43f2-ba19-6f237a0d094b))
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+    (pad "4" smd rect (at -2.75 -1.6 180) (size 1.3 1.9) (layers "F.Cu" "F.Paste" "F.Mask")
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       (effects (font (size 1 1) (thickness 0.15)))
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-      (net 20 "UINPUT") (pinfunction "IO5") (pintype "bidirectional") (tstamp 49f45860-75b8-476c-a605-9df945ca3b48))
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-      (net 9 "Net-(D2-Pad2)") (pinfunction "IO7") (pintype "bidirectional") (tstamp ba0126b4-0187-4d46-9ae2-973005cdacfd))
+      (net 9 "Net-(D2-Pad2)") (pinfunction "IO7") (pintype "bidirectional") (tstamp af92242f-9e13-46bf-af96-428b3e7e09db))
     (pad "7" smd rect (at -8.75 6.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 11 "Net-(D3-Pad2)") (pinfunction "IO8") (pintype "bidirectional") (tstamp 9a78c27a-7248-41fc-97bb-e2a1414cbae6))
+      (net 11 "Net-(D3-Pad2)") (pinfunction "IO8") (pintype "bidirectional") (tstamp e1307716-fa2c-4e65-a53f-1258493aff87))
     (pad "8" smd rect (at -8.75 7.6) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 16 "SCL") (pinfunction "IO9") (pintype "bidirectional") (tstamp 0686b5a6-ec68-493c-8346-b0b8d3f9cbe4))
+      (net 16 "SCL") (pinfunction "IO9") (pintype "bidirectional") (tstamp bcb48f57-2b0c-4bf4-a0ad-0f751a5190b3))
     (pad "9" smd rect (at -8.75 9.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp ab8e9d27-00ea-4165-93fa-03218583f5fb))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 6ad2fd8d-d670-488c-a94d-afd9ee986ae8))
     (pad "10" smd rect (at 8.75 9.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 18 "SDA") (pinfunction "IO10") (pintype "bidirectional") (tstamp b5c6056f-e840-4c29-9a44-7198128b5b30))
+      (net 18 "SDA") (pinfunction "IO10") (pintype "bidirectional") (tstamp b22bbe5c-d9d1-43d2-9512-118fe17af918))
     (pad "11" smd rect (at 8.75 7.6) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 12 "Net-(J1-Pad2)") (pinfunction "RXD") (pintype "bidirectional") (tstamp 61afc54c-1b64-4016-980f-ce315bd2b598))
+      (net 12 "Net-(J1-Pad2)") (pinfunction "RXD") (pintype "bidirectional") (tstamp 3f173ecf-1bf6-4e66-b063-12494977bf63))
     (pad "12" smd rect (at 8.75 6.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 13 "Net-(J1-Pad3)") (pinfunction "TXD") (pintype "bidirectional") (tstamp 1df7aaac-6af3-4401-8096-5e9413bb85b6))
+      (net 13 "Net-(J1-Pad3)") (pinfunction "TXD") (pintype "bidirectional") (tstamp 603c3fea-fe57-47c1-aad4-2978579dda8c))
     (pad "13" smd rect (at 8.75 4.6) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 15 "D-") (pinfunction "IO18") (pintype "bidirectional") (tstamp f55ae64f-c85c-4960-96ac-2fc97f052d34))
+      (net 15 "D-") (pinfunction "IO18") (pintype "bidirectional") (tstamp bf4aaeec-c259-4731-bf5a-51c41b12def5))
     (pad "14" smd rect (at 8.75 3.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 14 "D+") (pinfunction "IO19") (pintype "bidirectional") (tstamp 018e5bf4-9b61-424e-a3ab-ae7f733e0804))
+      (net 14 "D+") (pinfunction "IO19") (pintype "bidirectional") (tstamp 5717e954-2e3c-4f8a-83ba-cb76840b8c6e))
     (pad "15" smd rect (at 8.75 1.6) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 28 "VBAT_OK") (pinfunction "IO3") (pintype "bidirectional") (tstamp e337ece6-6324-40f1-8055-4a5fc431b01a))
+      (net 28 "VBAT_OK") (pinfunction "IO3") (pintype "bidirectional") (tstamp 8bbc4e8b-0d4b-4e13-860f-1ac5617ebfcc))
     (pad "16" smd rect (at 8.75 0.1) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 17 "Net-(R2-Pad2)") (pinfunction "IO2") (pintype "bidirectional") (tstamp 9afe07cf-1be5-4303-895c-1b8c15d97e07))
+      (net 17 "Net-(R2-Pad2)") (pinfunction "IO2") (pintype "bidirectional") (tstamp fa95f1cf-22fb-4813-9c87-f49302387a14))
     (pad "17" smd rect (at 8.75 -1.4) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 3 "Net-(C2-Pad2)") (pinfunction "IO1") (pintype "bidirectional") (tstamp 8ee0e8f7-3cc0-47d6-8f67-8fbde076912e))
+      (net 3 "Net-(C2-Pad2)") (pinfunction "IO1") (pintype "bidirectional") (tstamp 46b620d1-6dae-4a58-8a3a-0d005dbae7f1))
     (pad "18" smd rect (at 8.75 -2.9) (size 1.5 0.9) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 2 "Net-(C1-Pad2)") (pinfunction "IO0") (pintype "bidirectional") (tstamp 151e6d33-1fd3-473a-8220-147ce74ffa97))
+      (net 2 "Net-(C1-Pad2)") (pinfunction "IO0") (pintype "bidirectional") (tstamp 9109f47f-8c27-40f5-b081-05bbb358de2a))
     (pad "19" smd rect (at -0.14 2.2) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 8b8144e8-3a61-45ae-81fd-e76f1159652d))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp a63e777f-766a-4f6d-936e-c52707bf3f19))
     (pad "20" smd rect (at 0.96 2.2) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 9598656a-0859-42fe-85cb-5001e90e3d67))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp df670bc3-1032-4148-b071-ce91a43582b5))
     (pad "21" smd rect (at 2.06 2.2) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 0a7208d6-3c71-4274-bb4c-c273af592d57))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 6b00e2d6-81c3-4c77-9983-d547b79e847d))
     (pad "22" smd rect (at -0.14 3.3) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 4ff409ea-f911-455e-843d-b7d8670485ad))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 0e06b991-9b71-4620-8b72-4bdf13899757))
     (pad "23" smd rect (at 0.96 3.3) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp e24fc9a4-5dc8-4535-b5b9-d868c558ce53))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp f01f6afa-6afb-4761-ada5-d7d07ed42a40))
     (pad "24" smd rect (at 2.06 3.3) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 32858e09-457c-4360-93cc-8d76b28f33f5))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 422199a3-9236-4c25-9bb1-8cc92963baa4))
     (pad "25" smd rect (at -0.14 4.4) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 7c83d87f-ca4d-44f3-8907-fc1cb32bdb0f))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp fe81fc30-fdda-43a2-88db-db55f7a19c76))
     (pad "26" smd rect (at 0.96 4.4) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 65eb7a14-e63c-44d2-954b-c3f9ced76ffa))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 30d31b44-e687-4d8f-9a18-111971a85e4e))
     (pad "27" smd rect (at 2.06 4.4) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 23eeb51e-71b9-46fb-a21b-f86892cb9935))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp b85f50b4-7ebc-44cc-91f6-358afe82c397))
     (pad "28" thru_hole circle (at 0.41 2.2) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 738ff618-51ca-460b-a8dc-502e4c7a8469))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp de229e74-e8a8-440c-b81d-f00c72af2e10))
     (pad "29" thru_hole circle (at 1.51 2.2) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 7e67006b-991d-4eaf-98f6-d073a1388012))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 37bf57bb-8f85-4ad0-be25-7eaef4a483cc))
     (pad "30" thru_hole circle (at -0.14 2.75) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp fc0fb1b5-e00f-4f57-bab4-d13827b9c8c3))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 46d888cd-5003-4eaa-9a31-974815a2806f))
     (pad "31" thru_hole circle (at 0.96 2.75) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 1923c68a-8579-44af-adae-863e55ac2f0a))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 005641e6-fd24-4af2-a068-267953da6b6e))
     (pad "32" thru_hole circle (at 2.06 2.75) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 7f3a2a46-0aa8-47e9-ada7-37b84227b7bc))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp a1b8b7de-4452-4206-8853-9dd4309fea33))
     (pad "33" thru_hole circle (at 0.41 3.3) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 020e3daf-2c16-4e98-9fe4-660ccc9a39a2))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 79610ea2-917b-4e6b-9965-b2da161e364e))
     (pad "34" thru_hole circle (at 1.51 3.3) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp b309cecc-0b61-4412-b854-8b1a5b478d9f))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp f6bc84a1-6b50-4b06-bb16-b490ef1f728a))
     (pad "35" thru_hole circle (at -0.14 3.85) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp a05a406a-8722-4eab-9130-8fc832985ab0))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp fad78339-10da-476c-b2c5-e045c42b5a71))
     (pad "36" thru_hole circle (at 0.96 3.85) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 175c624d-e191-4096-a236-15c7a38c22aa))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp e89268bc-d0a3-453a-b340-9e47ba3be4e6))
     (pad "37" thru_hole circle (at 2.06 3.85) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 3a47a07d-e1dc-4c17-bd54-6098df06ca1a))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp bd67f07e-6628-4111-99fb-e4c2707bdc4d))
     (pad "38" thru_hole circle (at 0.41 4.4) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 0d5ad3fa-2f34-4f44-8a56-480ab13704af))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 25d6214a-3735-4d65-a4a7-0872ccd7f9ed))
     (pad "39" thru_hole circle (at 1.51 4.4) (size 0.4 0.4) (drill 0.3) (layers *.Cu)
-      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 3f33baf1-92b6-43fc-93e7-50ede0d9f2ce))
+      (net 43 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 0fc01d1d-65bd-48ee-bade-1e4398c89079))
     (model "${KIPRJMOD}/footprints/ESP32-C3-WROOM-02-H4.step"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -2705,7 +2710,7 @@
 
   (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp f32ccecd-9b12-41ea-a8c1-9427b812bf97)
-    (at 163.195 127.635)
+    (at 145.995 100.385)
     (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
     (tags "resistor handsolder")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
@@ -2714,30 +2719,30 @@
     (attr smd)
     (fp_text reference "R_OK3" (at 4.445 0) (layer "F.SilkS")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp 60164685-3220-4557-a1c0-3c2dc326f591)
+      (tstamp d02cb997-9bc0-4e7f-8bb5-5591b0d7e433)
     )
     (fp_text value "620k" (at 0 1.43) (layer "F.Fab")
       (effects (font (size 1 1) (thickness 0.15)))
-      (tstamp a4a7794f-640f-4177-9ee6-5156889c4228)
+      (tstamp d0ebaae2-580b-48cb-9b23-6d85d4881513)
     )
     (fp_text user "${REFERENCE}" (at 0 0) (layer "F.Fab")
       (effects (font (size 0.4 0.4) (thickness 0.06)))
-      (tstamp ddaed745-5e10-4362-969c-a9619e33babf)
+      (tstamp 3c97520a-08d7-491d-9151-03d1e48da9c6)
     )
-    (fp_line (start -0.254724 0.5225) (end 0.254724 0.5225) (layer "F.SilkS") (width 0.12) (tstamp 647aaa55-ed6c-4312-9af3-959713d4917e))
-    (fp_line (start -0.254724 -0.5225) (end 0.254724 -0.5225) (layer "F.SilkS") (width 0.12) (tstamp 812fe593-a515-4372-8f23-7f98232f7a25))
-    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 30e80cdf-14e7-4158-a960-f5a98fa1ec3f))
-    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 93e2c5c9-fe73-4522-bd26-a0e6126a9237))
-    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp c7f24ded-b7aa-4407-8de8-01366d87e00f))
-    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp cc58e4f2-c99b-415a-a2be-bf51b3f536cf))
-    (fp_line (start 0.8 -0.4125) (end 0.8 0.4125) (layer "F.Fab") (width 0.1) (tstamp 222e21d2-61e8-4e3d-94f0-e7835f1024d1))
-    (fp_line (start 0.8 0.4125) (end -0.8 0.4125) (layer "F.Fab") (width 0.1) (tstamp 9303b57b-29cd-4a7c-a333-8b06bde068c0))
-    (fp_line (start -0.8 -0.4125) (end 0.8 -0.4125) (layer "F.Fab") (width 0.1) (tstamp bb601adf-3bd2-4827-b22c-749ad828a1d2))
-    (fp_line (start -0.8 0.4125) (end -0.8 -0.4125) (layer "F.Fab") (width 0.1) (tstamp e4586fb7-526c-462c-8805-9e4aaab27ba0))
+    (fp_line (start -0.254724 0.5225) (end 0.254724 0.5225) (layer "F.SilkS") (width 0.12) (tstamp 50ac1fc5-b7d9-4d94-a8b0-981b0d3a7fc8))
+    (fp_line (start -0.254724 -0.5225) (end 0.254724 -0.5225) (layer "F.SilkS") (width 0.12) (tstamp e65e0e5a-0c01-4ed2-b0f2-3413bc53aa89))
+    (fp_line (start 1.65 -0.73) (end 1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 2718343a-d435-443e-823f-1c72f87e2de8))
+    (fp_line (start -1.65 0.73) (end -1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp 6a269c8b-bb9f-4b78-bc0d-19f597774a02))
+    (fp_line (start 1.65 0.73) (end -1.65 0.73) (layer "F.CrtYd") (width 0.05) (tstamp 71ab741c-b63b-4b83-adc8-dbfeb092a8e5))
+    (fp_line (start -1.65 -0.73) (end 1.65 -0.73) (layer "F.CrtYd") (width 0.05) (tstamp a335bde4-5124-4f97-8e5b-666a1e5f9960))
+    (fp_line (start 0.8 -0.4125) (end 0.8 0.4125) (layer "F.Fab") (width 0.1) (tstamp 1f22adad-cfb6-477a-ada8-eb7eb7962806))
+    (fp_line (start 0.8 0.4125) (end -0.8 0.4125) (layer "F.Fab") (width 0.1) (tstamp 789dc35a-2e1e-42f0-84ca-208bc769d4a0))
+    (fp_line (start -0.8 -0.4125) (end 0.8 -0.4125) (layer "F.Fab") (width 0.1) (tstamp a99eb99b-6750-4398-8daf-c890e47ecd65))
+    (fp_line (start -0.8 0.4125) (end -0.8 -0.4125) (layer "F.Fab") (width 0.1) (tstamp ab04d1bb-cee6-4d6b-9c64-c2bf33e0dd9d))
     (pad "1" smd roundrect (at -0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 25 "Net-(R_OK3-Pad1)") (pintype "passive") (tstamp 90ae831e-a181-438b-92d6-399e1778520d))
+      (net 25 "Net-(R_OK3-Pad1)") (pintype "passive") (tstamp 77769d2b-b26c-4027-86aa-6892289dfbe4))
     (pad "2" smd roundrect (at 0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
-      (net 24 "Net-(R_OK2-Pad1)") (pintype "passive") (tstamp b0ae62ca-39c9-495d-b00e-e594ef005f80))
+      (net 24 "Net-(R_OK2-Pad1)") (pintype "passive") (tstamp d8e0ea2e-32a7-4f20-962e-8721d28cdfa9))
     (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -2747,30 +2752,30 @@
 
   (footprint "Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm" (layer "F.Cu")
     (tedit 5A64794F) (tstamp f38bebf6-ccde-4fc4-abee-6a6ec2bb76a0)
-    (at 178.835 67.33)
+    (at 120.65 88.265 180)
     (descr "SMD Solder Jumper, 1x1.5mm Triangular Pads, 0.3mm gap, open")
     (tags "solder jumper open")
     (property "Sheetfile" "CO2_sense_v2.kicad_sch")
     (property "Sheetname" "")
     (path "/deffc3bc-a2a0-4c23-a7c0-ba15c8d593b4")
     (attr exclude_from_pos_files)
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 )
diff --git a/CO2_sense_v2.kicad_pro b/CO2_sense_v2.kicad_pro
index ea3028b..a88328a 100644
--- a/CO2_sense_v2.kicad_pro
+++ b/CO2_sense_v2.kicad_pro
@@ -33,9 +33,9 @@
         "other_text_thickness": 0.15,
         "other_text_upright": false,
         "pads": {
-          "drill": 0.762,
-          "height": 1.524,
-          "width": 1.524
+          "drill": 0.0,
+          "height": 1.68,
+          "width": 1.68
         },
         "silk_line_width": 0.15,
         "silk_text_italic": false,
@@ -353,7 +353,7 @@
     "classes": [
       {
         "bus_width": 12.0,
-        "clearance": 0.2,
+        "clearance": 0.127,
         "diff_pair_gap": 0.25,
         "diff_pair_via_gap": 0.25,
         "diff_pair_width": 0.2,
diff --git a/CO2_sense_v2.kicad_sch b/CO2_sense_v2.kicad_sch
index 61343b5..e647665 100644
--- a/CO2_sense_v2.kicad_sch
+++ b/CO2_sense_v2.kicad_sch
@@ -182,13 +182,13 @@
       )
     )
     (symbol "Device:Crystal" (pin_numbers hide) (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
-      (property "Reference" "Y" (id 0) (at 0 3.81 0)
-        (effects (font (size 1.27 1.27)))
+      (property "Reference" "Y1" (id 0) (at 3.81 1.2701 90)
+        (effects (font (size 1.27 1.27)) (justify right))
       )
-      (property "Value" "Crystal" (id 1) (at 0 -3.81 0)
-        (effects (font (size 1.27 1.27)))
+      (property "Value" "RTC_XTAL" (id 1) (at 3.81 -1.2699 90)
+        (effects (font (size 1.27 1.27)) (justify right))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "MYLIB:XTAL_ECS-.327-6-17X" (id 2) (at -12.7 -10.16 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (property "Datasheet" "~" (id 3) (at 0 0 0)
@@ -248,7 +248,7 @@
         )
         (pin passive line (at 3.81 0 180) (length 1.27)
           (name "2" (effects (font (size 1.27 1.27))))
-          (number "2" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
         )
       )
     )
@@ -2486,20 +2486,20 @@
   (symbol (lib_id "Device:Crystal") (at 38.1 137.16 90) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 5c490ce3-1a75-4733-a87a-36e94b270313)
-    (property "Reference" "Y1" (id 0) (at 41.91 135.8899 90)
+    (property "Reference" "Y1" (id 0) (at 36.8299 133.35 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "RTC_XTAL" (id 1) (at 41.91 138.4299 90)
+    (property "Value" "RTC_XTAL" (id 1) (at 39.3699 133.35 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "MYLIB:XTAL_ECS-.327-6-17X" (id 2) (at 38.1 137.16 0)
+    (property "Footprint" "MYLIB:XTAL_ECS-.327-6-17X" (id 2) (at 48.26 149.86 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Datasheet" "~" (id 3) (at 38.1 137.16 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid b41c8733-c78e-4add-9e63-649205a3df44))
-    (pin "2" (uuid a0b64f41-fc05-40a0-b4c0-c68e25c14531))
+    (pin "4" (uuid 32a86fbf-d1f6-4c61-a332-2ba76fe38553))
   )
 
   (symbol (lib_id "MYLIB:BQ25504RGTT") (at 104.14 52.07 0) (unit 1)
@@ -2533,7 +2533,7 @@
     (pin "14" (uuid 8be95d16-c65d-4d94-af1e-e8ed64ead8b6))
     (pin "15" (uuid 88920cdf-8750-46e5-b9bb-0a54c6465bb4))
     (pin "16" (uuid 2cfd2c97-1118-4823-8412-69325ba7a917))
-    (pin "17" (uuid 8e1b6d77-f890-4b28-8550-377dafc3ea61))
+    (pin "17" (uuid e5db7c2f-183f-4c86-88ec-000a05aa7d5d))
     (pin "2" (uuid c16c1316-30fa-4311-8cae-af007615b1be))
     (pin "3" (uuid 4979cf51-05ef-48d8-a738-cbda16185b86))
     (pin "4" (uuid 8da5cb8b-a9b5-421d-8929-143680d77fc9))