Creates an array holding button states. Includes the function checkButtonStateAndUpdate () that updates the button states. Whilst updating, the function knows that the arduino's code will run many ...

If you want to build a button array, follow this diagram. The main idea here is to connect each button to a diode in a row by column fashion, and read all the rows column by column. Rows works as ...

While you hopefully don't need one-button access to 911, a desk-mounted panic button is undoubtedly cool, and it makes for a great DIY Arduino project ...

Thorin Klosowski DIY musical instruments are their own thing entirely, but if you're looking for a place to start, Adafruit has a guide to building your own MIDI controller using an Arduino.