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.

This polished DIY set of quiz show style buttons project combines gaming, electronics, and an Arduino chip into a detailed build that serves as a road map for more advanced projects. Instructables ...

“Arduino boards are able to read inputs – light on a sensor, a finger on a button, or a Twitter message – and turn it into an output – activating a motor, turning on an LED, publishing ...