This is a brand new, heavy-duty mini (3.5mm, 1/8") stereo audio, male to male cable. Both ends of the cable have a male 3.5mm mini plug (the kind that plugs into a portable CD player). This cable works great for stereo headphones, speakers, microphones etc.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.
The HD2 tracked platform is a large, heavy duty tracked robot with the power to pull a truck and climb stairs. A wealth of internal space allows for batteries, controls and an optional computer. Customized version of item TP-200-001.