Use a voltage divider to map the 10V range into a 5V output, suitable for the Arduino analog inputs.
Add a safety factor (3V output range instead of 5V), caps, clipping diodes and more, as required for the ventilation controller signal.
Use a voltage divider to map the 10V range into a 5V output, suitable for the Arduino analog inputs.
Add a safety factor (3V output range instead of 5V), caps, clipping diodes and more, as required for the ventilation controller signal.