An Arduino-powered DIY project uses a colour sensor to automatically sort and separate Skittles.

After seeing a color-sorting machine years back, Pennings decided to create his own and use it for the ultimate good: to sort shitty Skittles flavors so we don’t have to eat them.

The machine itself is beautifully-made with a handsome painted wooden case and 3D printed internal machinery. The sorter uses two Arduino Nanos and two EasyDrivers to control the sensor and the ...