AKB

A hand made 5DOF manipulator fitted with Supermodified controllers...

ATMega328P-based direct replacement boards for standard and ¼ scale rc-servos that will allow for full PID speed / position control of your servom...

Hack your servo V2.00 - Add 10-bit absolute / incremental encoder feedback to your hobby servo.

Provided you have the tools and the servo you can built this for under a couple of bucks. The actuator extends with a rate of about 50mm/min. It is...

A planetary terrestrial exploration rover that could be used for colonization and development purposes on Moon and Mars