GarabatoBOT or in english, DoodleBOT, is a little robot that can make simple doodles in a white-board.It's a really simple design: 2 stepper mottors with its drivers pcb, one Atmega328 and a bluetooth modem to control it wireless.There are two ropes linking the up corners to the pulleys. The rope is collected by the pulleys when the motors are turning.The structure has 5 different parts: one main body, two arms and the two pulleys.The grey bag contain the battery (2s-1A) and also is used to go down the gravity center.Watch a video in action: http://youtu.be/J-kkD-Yr6cY?hd=1More info in the blog: http://madebyfrutos.wordpress.com/2012/03/25/proyecto-de-mig-3/ http://aerobotclubderobticadeaeronuticos.blogspot.com.es/Made by Miguel Ángel de Frutos.