Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

At The Conversation, we take table tennis very seriously. After setting up a new ping pong table, and wanting to learn how to use an Arduino, I had a bit of time to build a scoreboard. An Arduino is a ...