And with that, the AWB0412 categorical data logging wifi button was born. (as an Arduino Uno Shield) When the device is powered on the LED in the top left will be red. After successful network ...

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.

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 ...