Lighting up an LED with Makey Makey

Just a quick video to explain how to use the "Key out" pin on a Makey Makey to light up an LED. Full lesson and tutorial at Instructables for lighting an LED with Makey Makey! This video is also featured in the simple circuit challenge on the Makey Makey page here: https://makeymakey.com/blogs/h....ow-to-instructions/s