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Updated 5-12-2010 New Video using 3 IR Sensors I was so impressed with the TV IR sensors from the book, but took too much I/O. Good for learning but not very efficient. I have never spent so much time on a 3 wire device before. These sensors run around 38K to 40Khz with a modulatted pulse. I used the first 555 timer to clock the second 555 timer to allow the sensor to reset. I can now drive the IR LEDs off this board and easily plug or wire the sensors straight to the PIC or Basic Stamp. ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/mini-hightower-multi-layer-robotic-platform