Friday, May 01, 2009
Solar Powered "Cricket" Circuit - Phil Stearns (Pixel Form)
YouTube via pixelform
"Documentation:
Prototype of a VERY SIMPLE - Solar powered "cricket" circuit -
Solar cells charge two wireless phone battery packs during the day, then when it's dark the circuit starts chirping away.
The cricket is made using a single 4093 quad NAND gate and a few resistors and capacitors. Amplification provided by a single transistor, LED used to debug (no pun intended)."
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MATRIXSYNTH - EVERYTHING SYNTH
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