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Miscellaneous - list of circuit diagrams

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Wart Zapper circuit diagram
A new and improved version of Thomas Scarborough's wart zapper

author: Thomas Scarborough
visits: 15423
Metal Detector circuit diagram
A single chip metal detecor with a range of a few inches

author: Andy Collinson
visits: 4968
Temperature Monitor circuit diagram
Simple Temperature Monitor

author: Andy Collinson
visits: 1410
Neon Desklamp circuit diagram
This circuit will power a 6 inch 4 Watt fluorescent tube off a 12 volt supply, consuming 300 mA

author: Rev. Thomas Scarborough
visits: 572
IR Link circuit diagram
A basic Imfra Red Link for audio communication for distances upto 3 metres

author: Milan Markovic
visits: 468
Hot Water Level Indicator circuit diagram
A simple device to indicate various levels of hot water in a tank.

author: Andy Collinson
visits: 461
Conjuring Trick circuit diagram
Absolutely incredible trick

author: Rev. Thomas Scarborough
visits: 445
Laser Communication System circuit diagram
This is a simple Laser communication system. It can transmit and receive signal from any audio device.

author: Marin Lukas - Croatia
visits: 391
Audio Perimeter Monitor circuit diagram
Using a single cable such as speaker wire or doorbell cable, this circuit can be remotely positioned

author:
visits: 342
Static Electricity Negative Ion Detector circuit diagram
This circuit relies upon the extra high input impedance of a FET, and also demonstrates the gate terminals sensitivity to changes in voltage

author: Andy Collinson
visits: 330
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