Hello, in this instructable I'll be showing you step by step how to build the TurtleDuino, an object avoidance robot, with an Arduino UNO microcrontroller on board. I designed the TurtleDuino using material from the hardware store (Home Depot) and all the electronics from sparkfun.com and jameco.com. Shopping List: Arduino UNO      (Sparkfun.com) Ultrasonic Ping))) Sensor      (jameco.com) 2 Larg Servo moto ...