When the Arduino code sees the button getting pressed, it brings the corresponding LED pin high and starts a fade out timer using the SoftPWM library by [Brett Hagman].

Posted in Arduino Hacks, Retrocomputing Tagged 486, arduino pro mini, turbo button ← Debian Officially Adds RISC-V Support No Fish Left Behind → ...

Arduino pins, and almost everything else at a standard hobbyist scale, are 0.1" pin spacing - so I just soldered the sense wires to some 0.1" headers I have laying around.

DIY Arduino 4 Button Arcade Game Project 11:59 am August 20, 2018 By Julian Horsey ...

Premier space exploration disaster simulator, Kerbal Space Program, is fun to play with regular controls, but it can be improved with this DIY build that lets you launch ships with a giant red button.