[Frank Herrmann] had an interesting idea to turn a geared DC ... motor rotation and listen on the ‘stepper motor driver’ interface pins hooked up to the motion controller upstream. The Arduino ...

Getting a robot to stand on two wheels without tipping over involves a challenging dance with the laws of physics.

DC motor, LCD), power (e.g., 9V battery, solar cell, coin cell), and even breadboards. However, the only Arduino platform ...