Interactive LED matrix proof of concept test

[lepermunna]

hi, what's the significance of the thing that you are holding?

looks like a great project! I want to cover my floor in that hehe

[ElevenOf9]

It's just a metal disk (a 5p coin in this case) which makes a connection between the 2 electrodes above each led, this is detected by the microcontroller and it turns on or off the corresponding led.