I would like to have a visual indication
LED in parallel like I showed is the simplest.
Could even use an LED/resistor driven by the Arduino output, will turn on even if things are screwed up somehow from the transistor onwards.
I would like to have a visual indication
LED in parallel like I showed is the simplest.
Could even use an LED/resistor driven by the Arduino output, will turn on even if things are screwed up somehow from the transistor onwards.