This is a 2x3 ICSP shield header for the Arduino. Very useful for connecting Arduino shields.
With it's wide hub and finished bore, this 17 teeth steel roller chain sprocket is ready to mount to a shaft.
These Planetary Gear Motors have been DISCONTINUED by the manufacture . We have no substitute, sorry.
This wheel and shaft set is for direct driving with wheelchair motors. It comes with two steel keyed shafts and two 13 inch tiller tires.
This is an SST tracked robot platform equipped with 32-millimeter motors, a motor controller and a Spektrum remote. It has a pan/tilt camera with 7 IR lights. This is a rugged treaded robot platform.