Mars Rover - A mock up of the Mars Rover, this is a telepresence robot with video camera, RF link for data, etc. Vac - My camera equipped vacuum on wheels (tracks actually) that picks up ping pong balls. Line follower - an early project of mine, the line following bot is a typical first or second robot. Walker notTexasRanger - A 6 legged walking robot using 3 servo motors. LumpyDumpy - my entry into the club's Object Finder Robot competition. Based on my youngest son's Tonka truck. Game Boy Digital Oscilloscope - I built a kit cartridge for a standard gameboy to turn it into a handheld oscilloscope. Home Made Robot Arm - My first attempt at a robot arm. My first entry into the Object Finder competition, a stationary cylindrical coordinate robot arm. The ride - A mock up of an amusement park ride, that is a 3 degree of freedom robot arm. The Mars Rover used to be this IR remote controlled toy tank that I used to explore under my deck.   The DARC Board is a general purpose Atmel microcontroller robotics/electronics board I designed for a local high school electronics class, and later for DARC club members. This page has schematics, PCB files, user manual, sample source code, etc. Mini Sumo Bot - Built to compete in club sumo competitions, this is a very basic mini sumo design. Shaft Encoder Board - This is a boad I designed to mount a Hammamatsu Photo-reflector IC onto a standard servo case to view an encoder disk mounted on the wheel of a robot. An intruder alarm I designed for a boy scout electronics merit badge class.