You can make ‘Makey Makey’ using Arduino Leonardo in 10 mins… Here is the Arduino Source Code and the link to the library….. Arduino Code : (Now added the code for multiple keys as well) https://www.facebook.com/notes/alpesh… Link to download Moving Average Library: https://github.com/sebnil/Moving-Avar… If you have Arduino UNO you can refer to Bhavya Shukla’s work. (Thanks Bhavya) https://github.com/BhavyaShukla/Makey…