Teachable Robot arm(Best)(Link to video in description) by nathan.ramanathan*

This robotic code is used for all robotic arms to teach them specific movements. With the phone app called "arduino rc" in google play.

This robot arm can be taught or to just play around with. It is controlled over bluetooth. It controls normal servos but can control the speed of them. You can teach the robots with the teach function. Link to Demo video: https://youtu.be/AtdfYISbQW0