EDISON

built by Leonardo F. Urbano

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Target Environment Locomotion Method
Indoors 3 Wheels
Sensors / Input Devices Actuators / Output Devices
3 IR range finders
3 photo sensors
Black and white CCD camera
2x10 keypad
2 metal-detection whiskers
2 servos for gripper
2 servos for camera pan/tilt
2 DC brushless motors
2x20 LCD
6 sensor activation lights
Control Method Power Source
Tethered Battery
CPU Type Operating System
BASIC Stamp None
Programming Lanuage Weight
BASIC 9 pounds
Time to build Cost to build
8 days $750
URL for more information
http://www.ilrobotics.com/
Comments
EDISON the robot was a substantial leap from AMBER. EDISON was equipped with sophisticated infrared ranging sensors and simple photo sensors. EDISON would navigate through complex mazes and find a medicine box sitting on top of an aluminum can with a light bulb anchored to it. EDISON would get to the aluminum can, grab the medicine box which would shut the light off. Another alumnium can light would turn on at the opposite end of the maze. EDISON would navigate to the new light source and deposit the box on top of the can. EDISON was by far the biggest and most complex robot I've ever built. He stood about 2 and a half feet tall, weighed over 9 pounds, utilized over 129 wires, elicited 5 behaviors and sank over 57.6 watts of power. EDISON was an awesome robot. Specifications: Body - black-painted plywood base with 3 stackable layers Electronics - 1 BASIC Stamp II microcontroller unit, 1 BASIC Stamp stretcher board (no longer made), 1 Scott Edwards Mini Serial Servo Controller, 2 servos for backward facing gripper, 2 servos for pan/tilt camera system, 1 black and white CCD camera, 2 heavy duty DC brushless motors with wheel attached, 1 8-channel MAXX DUAL H-bridge motor driver circuit, 3 Infrared Rangefinders, 3 photo-voltaic cadmium sulfide photo sensors, 1 2x20 character LCD, 3 9V batteries (one for Mini SSC, one for STAMP2, one for B camera), 2 Ni-Cad 7.2v 2amp batteries wired in parallel for drive motors, 2x10 button keypad, RJ11 programming port, and 6 sensor activation indicator lights. Time to Build - 8 days Cost - $750 The design made for easy programming, disassembly, modification, expandability and durability. An RJ11 jack in a box was sticky-taped to the second level of EDISON's body. A 50 foot $3 phone line interfaced with the laptop for programming. You could expand EDISON by simply unscrewing the bolts on the four threaded rods and inserting another plywood plate. The frame was strong enough to carry a laptop onboard. One of the cooler parts of EDISON was the pan and tilt b

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