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

We will control 5 servo motor using with 5 pcs flex sensor. Also we will controlled robotic hand using with nRF24L01. This video shows the low-cost “robotic hand” construction.

Learn how to build your own desktop fully functional robot arm powered by Arduino hardware and assembled using 3D printed parts.