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

He built a servo tester and demonstrator based on an Arduino, and went the extra mile to give it a good UI and a bunch of functionality.

In this video, we take you on a fascinating journey into the world of robotics with the "Create Your Own Robot Spider" guide, ...

When that metal bends enough to touch a stationary conductor it completes the circuit, telling the Arduino to start driving the servo.