johnwasser:
cjdelphi:
A simple voltage divider?......won't work to make negative voltages safe for the Arduino.
A diode in Series to only allow a positive or near 0v voltage then?
johnwasser:
cjdelphi:
A simple voltage divider?......won't work to make negative voltages safe for the Arduino.
A diode in Series to only allow a positive or near 0v voltage then?