You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...

The button states could easily be read by using an Arduino’s analog input. A Pro Mini model was chosen for its small size as it could be housed in the radio compartment of the dash. The next ...

The diagram is where you specify connections ... makes the pin show up on the Firmata component I wired two buttons connecting an Arduino’s pins 7 and 8 to ground, each with a 10K pull-up ...