Controls
Compatible with Lego Mindstorms

Limit Switch Application    Limit Switches - Theory  -  How they work. How to build your own..

Relay Brick for Lego Mindstorms       Relay - Control other electrical equipment from your RCX.

  

Withdrawn

Linear Actuator - Moves like a hydraulic cylinder.  

Limit Switch Adapter for Lego Mindstorms RCX Limit Switch Adapter - Use your Lego switch sensor as a limit switch.

Electric Air Valve for Lego Mindstorms RCX Electric Air Valve - Control Air Cylinders from your RCX.