This is a nice example of scavenging parts from an inkjet printer to make cool stuff. It uses an Arduino and a Motor Shield to control the DC motor. The web site has a lot more information and the source code to get you started.
More about Using a DC motor as a servo with PID control
In the Maker Shed:
![]()

MotorShield for Arduino Kit





































The gentleman states in the beginning of the video that PID stands for Position Integral Derivative. That's wrong, it Proportional, Integral, Derivative. google it.
Reply to this comment
You're right, good catch!
Reply to this comment