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Search results: 130   Output: 101-110
  1. Radio Controlled 3way Light Switch - For use with a garage door opener transmitter. HOME I have not drawn out the schematic for the receiver section yet.     HOME    
    members.shaw.ca
    08-03-2005
  2. Electronic Canary - Makes a nice Bird Chirping sound every once in a while HOME Reverse engineered circuit diagram of a commercial Electronic Bird. This one was built into a plastic christmas ornament and runs off a 9V battery. Note that L1 is ...
    members.shaw.ca
    04-03-2005
  3. Refrigerator Pig Schematic - Upon opening your fridge door the photocell is exposed to light and the piggy oinks. HOME Reverse engineered circuit diagram is of an early commercial design which uses an OP-AMP to make simulated pig sounds. Modern ...
    members.shaw.ca
    04-03-2005
  4. Sferic Detector - Detects approaching lightning storms by monitoring the RF spectrum HOME Reverse engineered schematic diagram of a mass produced lightning detector. The RF signal from lightning is quite strong and broad in spectrum so a tuned ...
    members.shaw.ca
    04-03-2005
  5. Small DC Motor Speed Regulator - Keeps permanent magnet motor running at constant speed regardless of load HOME Reverse engineered circuit diagram of a motor speed regulator out of a portable tape recorder containing a single motor for all ...
    members.shaw.ca
    04-03-2005
  6. Strange LED sequencer - This bizzare PWM circuit fades from one LED to the next HOME This deceptively simple sequencer actually pulse width modulates the LEDs as it fades from one LED to the next. Bulbs will last much longer when driven in this ...
    members.shaw.ca
    04-03-2005
  7. www.4qdtec.com
    04-01-2005
  8. www.4qdtec.com
    04-01-2005
  9. www.4qdtec.com
    04-01-2005
  10. www.4qdtec.com
    04-01-2005
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