Lighting an LED With Makey Makey – Joylabz Official Makey Makey Store https://makeymakey.com/blogs/how-to-instructions/lighting-an-led-with-makey-makey
You can easily light an LED with a 3V coin-cell battery, but it’s pretty cool to learn how to light an LED with Makey Makey. It will encourage your students to find interesting ways to build switches that will light up their work. First, turn over your Makey Makey and look for the top header on the back of the board.
To figure out what ohm resistor you need, you have to use Ohm’s Law.
