An Arduino is used to determine the servo’s current position versus the desired position, and it turns the motor accordingly with a BTS7960 motor driver.

As difficult as it is for a human to learn ambidexterity, it’s quite easy to program into a humanoid robot. After all, a ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...