diff --git a/components/MMC56x3/MMC56x3.c b/components/MMC56x3/MMC56x3.c
index fbd124c..7dddec9 100644
--- a/components/MMC56x3/MMC56x3.c
+++ b/components/MMC56x3/MMC56x3.c
@@ -67,4 +67,26 @@ esp_err_t MMC56x3_reset(){
   uint8_t set = 1 << DO_RESET;
   ESP_ERROR_CHECK(i2c_write_reg(IC0, &set, 1));
   return ESP_OK;
+}
+
+esp_err_t MMC56x3_get_bridge_offset(int32_t* x, int32_t* y, int32_t* z){
+  MMC56x3_set();
+  int32_t vbx, vby, vbz;
+  MMC56x3_get_mag_field(&vbx, &vby, &vbz);
+  *x=vbx;
+  *y=vby;
+  *z=vbz;
+  MMC56x3_reset();
+  MMC56x3_get_mag_field(&vbx, &vby, &vbz);
+  *x=(*x+vbx)/2;
+  *y=(*y+vby)/2;
+  *z=(*z+vbz)/2;
+  return ESP_OK;
+}
+
+esp_err_t MMC56x3_to_mG(int32_t x, int32_t y, int32_t z, float* rx, float* ry, float* rz){
+  *rx = x*0.0625;
+  *ry = y*0.0625;
+  *rz = z*0.0625;
+  return ESP_OK;
 }
\ No newline at end of file
diff --git a/components/MMC56x3/include/MMC56x3.h b/components/MMC56x3/include/MMC56x3.h
index dd6e13b..f85dad3 100644
--- a/components/MMC56x3/include/MMC56x3.h
+++ b/components/MMC56x3/include/MMC56x3.h
@@ -7,4 +7,8 @@ esp_err_t MMC56x3_get_temperature(uint8_t* temp);
 esp_err_t MMC56x3_get_mag_field(int32_t* x, int32_t* y, int32_t* z);
 
 esp_err_t MMC56x3_set();
-esp_err_t MMC56x3_reset();
\ No newline at end of file
+esp_err_t MMC56x3_reset();
+
+esp_err_t MMC56x3_get_bridge_offset(int32_t* x, int32_t* y, int32_t* z);
+
+esp_err_t MMC56x3_to_mG(int32_t x, int32_t y, int32_t z, float* rx, float* ry, float* rz);
\ No newline at end of file
diff --git a/main/CO2_Sense.c b/main/CO2_Sense.c
index 90828c2..5549fef 100644
--- a/main/CO2_Sense.c
+++ b/main/CO2_Sense.c
@@ -68,8 +68,12 @@ void app_main(void){
 	MMC56x3_get_product_ID(&id);
 	uint8_t temp;
 	MMC56x3_get_temperature(&temp);
+	int32_t offx, offy, offz;
+	MMC56x3_get_bridge_offset(&offx, &offy, &offz);
+	MMC56x3_set();
 	ESP_LOGI("MAIN", "MMC5603 product id %d", id);
 	ESP_LOGI("MAIN", "MMC measured temp is %d", temp);
+	ESP_LOGI("MAIN", "MMC bridge offset; x %ld, y %ld, z %ld", offx, offy, offz);
 	
 	init_scd4x();
 	scd4x_power_down();
@@ -89,9 +93,12 @@ void app_main(void){
 	}
 
 	while(1){
-		/*int32_t x,y,z;
+		int32_t x,y,z;
 		MMC56x3_get_mag_field(&x, &y, &z);
-		ESP_LOGI("MAIN", "BField x %ld, y %ld, z %ld", x, y, z);*/
+		float bx, by, bz;
+		MMC56x3_to_mG(x, y, z, &bx, &by, &bz);
+		ESP_LOGI("MAIN", "BField x %ld, y %ld, z %ld", x, y, z);
+		ESP_LOGI("MAIN", "BField x %f mG, y %f mG, z %f mG", bx, by, bz);
 		vTaskDelay(1000 / portTICK_PERIOD_MS);
 	}
 }