Note: This project requires two positional servo motors and two pushbuttons. More details are found at the bottom of this page. How it works The BrainPad is programmed to separate black and white marbles using the light sensor, two servo motors, and two pushbuttons. The first button is used to calibrate the light sensor for the current lighting. To calibrate you must place ten marbles in the machine starting with a black marble and alternating in color. Pressing the first…