CC: Markku Siitonen who provided the skeleton and protocol code. This motorized remote filter wheel uses an Arduino Nano with a 24byj-48 gearhead stepper motor and the uln2003 driver board that comes ...

[Tobias Kuhn] had watched a YouTube video about a robot arm which used servo motors, and wanted to try making one himself. But he found it hard to get slow or smooth movements out of the servos. Even ...