Simplest and Cheapest Arduino
Perhaps the cheapest Arduino you can get. USB Nano V3.0 ATmega328P 5V/16M Microcontroller CH340G.
Minimalist 2-wheeled robot, built for MakeThings event in Vienna. It uses Arduino Uno and 2 servo motors, powered up by 4 AA batteries and senses world with infrared distance sensor.
Adruino Board for robotics. http://arduino.cc/en/Main/ArduinoBoardUno
If you wanna get an Arduino Mega 2560 for only $34 + FREE SHIPPING goto: http://worldclassoffers.com/?p=1789
Cheapest DCC model railroad control Ever! DCC++ $10.00 - YouTube
An Arduino Powered Machine That Quickly Sorts M&Ms and Skittles by Color
Cheapest standalone arduino?
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