His code listens for serial commands and manipulates the motors accordingly. He wrote a Python script using pyserial which talks to the Arduino.

Posted in Radio Hacks Tagged arduino, cq, keyer, morse code, servo, straight key ← Building A Rather Rudimentary Arduino Tank Bot Turning A Raspberry Pi Into An SNES → ...

This means that the servos stops and start very suddenly, moving as fast as they can between positions. In this video I'm going to show you two lines of very simple code to make things smoother.