Pretty much every project I've done just lately has required me to test out some servos and experiment with their positions ...

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

“While regular servos use potentiometers to get position feedback, this servo uses an encoder. The AS5600 absolute encoder will read the position of the servo and send it to the Arduino.