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 ...

Or maybe you get a certain satisfaction out of sorting your candies by color before eating them? One 19-year-old student found a solution: a candy color-sorting machine.

After sorting, he faced challenges with designing a mechanism to transport marbles from the bottom hoppers to the top of the machine.