diff --git a/.gitignore b/.gitignore
index e06b2c7..1e9baf6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 __pycache__
-client-venv
\ No newline at end of file
+client-venv
+measures
\ No newline at end of file
diff --git a/main.py b/main.py
index fea627e..764bb53 100644
--- a/main.py
+++ b/main.py
@@ -149,6 +149,11 @@ def set_range(sender, app_data):
     logger.info("set range %d", app_data)
     device.update_range(app_data)
 
+def save_cali(sender, app_data):
+    path = dpg.get_value("cali_save_path")
+    with open(path, "a") as myfile:
+        myfile.write(f"{app_data}, " + ','.join([str(current_meas[v][-1][1]) for v in current_meas]) + "\n")
+
 async def init_gui():
     dpg.create_context()
     dpg.create_viewport()
@@ -188,7 +193,11 @@ async def init_gui():
             dpg.set_axis_limits_auto("x_axis_volts")
             # dpg.set_axis_limits_auto("y_axis")
 
-            
+    
+    with dpg.window(label="Calibration controls", pos = [0, 0], width = .2 * width, height = -1):
+        dpg.add_input_text(label="path", tag="cali_save_path")
+        dpg.add_input_int(label="Voltage", callback=save_cali, on_enter=True, tag="save_cali")
+
     dpg.show_viewport()
     while dpg.is_dearpygui_running():
         dpg.render_dearpygui_frame()