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Simple Lie Detector 2011-09-10
Here's a simple lie detector that can be built in a few minutes, it is mean for fun and is obviousl
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Here is a simple gated oscillator for you to play with. It's nothing complicated build wise but
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Jeopardy Quiz Game 2011-06-22
This electronic "Jeopardy" game circuit consists of four push-button switches. When one is pressed,
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Digital Code Lock 2011-06-16
This is a simple but effective code lock circuit that has an automatic reset facility. The circuit
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Garage Door Hacker 2010-07-05
This is the instructions and schematic for a garage door hacker. It modifies an existing door opene
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