Parallax Inc Drawing RobotScribbler 3 / 1243621

USB cable. Download learning materials from: http://learn.parallax.com/tutorials/robot/scribbler-robot/scribbler-3. Propeller Scribbler 3 mobile robot. The Scribbler S3 is the third incarnation of the Parallax Scribbler open source mobile robot for education. The S3 has many improvements and now features Google Blockly programming support for Apple Mac and Microsoft Windows. Propeller P8X32A 8-core microcontroller 3 x phototransistor light sensors 2 x short-range Infrared obstacle-avoidance sensors 2 x infrared line-following sensors 2 x independent DC wheel motors with rotation encoders to provide odometry Motor current monitor for stall sensing Drive wheel/tail wheel rotation comparator for skid sensing Pen port for drawing on paper Loudspeaker for audio output Microphone for detecting audio tones from other S3 robots 3 x Bi-colour LEDs for visual feedback Power and Reset pushbuttons Exposed Hacker port for connecting external sensors, servos, etc Internal XBee socket for RF networking and future wireless programming BlocklyProp programming environment, based on Google's Blockly and MIT's Scratch Power supply: 3.7V 4000mAh Li-Po battery charged from USB port Communication: USB serial programming interface to PC Dimensions: 188 x 158.8 x 81mm Operating temperature range: +10 to +40°C