Hobby Electronics - Circuits

Here are the circuit diagrams of some of the electronic gadgets I have constructed.

  1. Emergency Light (inverter driving a 20W fluoroscent tube from 6V battery)
  2. Psychedelic Lights
  3. Tweeter Bell
  4. LED flashers using IC 555
  5. Miniature AM Transmitter
  6. Siren
  7. Slow-rising Sirens
  8. Steady Hand Testing Game
  9. Tiny Crane
  10. Automatic Emergency Light
  11. Burglar Alarm
  12. Emergency Tubelight
  13. Police Siren


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