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2014
Sorting Machine - Skittles and M&Ms ?  I find this almost therapeutic to watch, perhaps it's a little OCPD in me but seeing an Arduino Uno control a machine which will sort out your sweeties by colour is great. This little video does well to demonstrate it working with the 3D printed parts, an RGB and an infra-red sensor doing the work in tune with the motors.   Practical wise it's a little slow and you would be forgiven for asking "why would I do this?" but for a friends birthda ...