This is a single axle with a hub that mounts to our 6" pneumatic tires. The end opposite the hub is bored to fit a 6mm shaft. It is intended to be direct driven by our IG32 motors. The hub is welded to a steel 1/2" diameter shaft.
This is a prebuilt RC lawnmower. It is fully assembled and tested and includes the electric mower. This is our Rev 2 Mower chassis. It is faster, more powerful, and has a longer run time.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.