I usually make a quick servo tester on a breadboard and use the serial monitor in the arduino IDE to get the servo positions, ...

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.

Posted in Robots Hacks Tagged 3d printed, arduino, diy, ESP-8266, ESP-8266EX, insect, quad, quadruped, robot, servo, Servo driver, sg90, Wemos d1, wireless ...

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

By Paul Ridden July 10, 2014 The servos are controlled by a cabled foot pedal via an Arduino running custom code View 7 Images ... View gallery - 7 images ...