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DC Op-Amp Circuits
Light Detecting and Positioning Unit
Sound tracking concept
World's Simplest Line Following Robot
Science fair: How accurate is the AC line frequency?
Sound Sensor Using A LM324
HDDJ: Turning an old hard disk drive into a rotary input device
Light Seeking Robot/Car
Op-amp Basics (part 1)
How to use IR Sensor using Op amp and Arduino
Posted:May 7, 2009
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