|"Blinky" Pathfinder Robot|
The infrared emitter and light sensor circuit controls a servo feedback loop causing the motors to make course corrections; red and green LEDs blink to display changes in direction. Principles of electro-optics, analog & digital circuitry and more are covered in the 28 page Instruction Manual. Illustrated assembly instructions, many schematic & block diagrams, quiz and troubleshooting guide complete the book. Requires one 9V and two AA batteries (not included).
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