Miscellaneous Circuits
Please Note:
This section contains every other circuit that does not fit into the other categories. All circuits are listed alphabetically on the Circuit Index page and in date order on the update page. All contributors are listed on the credits page.

If you have problems try my help page first. Most circuits on this site use SI Notation. Due to large volumes of email, I regret that I can only answer questions about circuits on my site.

For help or to contribute please email me
  1. Conjuring Trick by Rev. Thomas Scarborough
  2. Static Electricity / Negative Ion Detector
  3. Perimeter Monitor
  4. Lightening Detector by Charles Wenzel ( External Link )
  5. Temperature Monitor
  6. Hot Water Tank Indicator
  7. Electromagnetic Field Detector
  8. Neon Desklamp by Rev. Thomas Scarborough
  9. Magic Wand by Rev. Thomas Scarborough
  10. Speaker Microphone Circuit
  11. Magnetic Gun by Rev. Thomas Scarborough
  12. Insect Repellant by Graham Maynard
  13. LED Torch by Rev. Thomas Scarborough
  14. Quiz Circuit
  15. Ultrasonic Dog Whistle by Tomaz Lazar
  16. Pot Plant Power by Rev. Thomas Scarborough
  17. Combinational Conjuring Trick by Rev. Thomas Scarborough
  18. Metal Detector
  19. High Quality Intercom
  20. Doorbell for the Deaf
  21. Laser Communication System by Marin Lukas
  22. IR Link by Milan Markovic
  23. A Decimal to BCD converter by Ron J
  24. Audio Indicator
  25. Radar Detector External Link to Electronics Lab
  26. Monitor Splitter by Miroslav Adzic
  27. LED Torch by Andre
  28. LED Flasher by Andre
  29. Telephone In Use Indicator by Miroslav Adzic
  30. Privacy Circuit by Miroslav Adzic
  31. Xenon strobe by Robert Dvoracek (External Link)
  32. Ignition Coil Driver by Andrew Seltzman (External Link)
  33. LED Flasher by Evin Devore
  34. Wart Zapper by Rev. Thomas Scarborough
  35. Room Monitor
  36. Three Flashing LED Doorbells by Ron J
  37. Solar Flasher by QS
  38. Electronic Mousetrap
  39. Battery Status Indicator by Abu-Hafss
  40. Automotive Signal Flasher with Lamp Output Detection by Abu-Hafss
  41. Car Interior Light Fader by Abu-Hafss
  42. Lie Detector Circuit
  43. Anti Nuiscance Doorbell by Tony Blakemoor
  44. Telephone Monitor Controller by Tony Blakemoor
  45. Electronic Water Softener Electronic Water Softener or Descaler
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