As a counter, a small drawing robot created by [MakersBox] might help ... Another version of the Arduino should work without any problems and even possibly a Raspberry Pi, suggests [MakersBox].
The brains of this operation is an Arduino Uno, four light-dependent resistors, and a little bit of trigonometry to find the direction of the light source. The robot itself uses two steppers and ...
chances are you already know what an Arduino is. This microcontroller is at the heart of countless impressive projects like ...