Debouncing button or switch inputs on microcontrollers can be a challenging ... For those wanting to try this out, [stockyu] has included some example Arduino code for others to use.

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 ...

You can read the state of a button using Arduino and a few lines of code ... const int pinButton = 8; void setup() { pinMode(pinButton, INPUT); Serial.begin(9600); } void loop() { int stateButton = ...