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Miscellaneous - list of circuit diagrams
A new and improved version of Thomas Scarborough's wart zapper
author: Thomas Scarborough visits: 15387 
A single chip metal detecor with a range of a few inches
author: Andy Collinson visits: 4942 
This circuit will power a 6 inch 4 Watt fluorescent tube off a 12 volt supply, consuming 300 mA
author: Rev. Thomas Scarborough visits: 562 
A basic Imfra Red Link for audio communication for distances upto 3 metres
author: Milan Markovic visits: 455 
A simple device to indicate various levels of hot water in a tank.
author: Andy Collinson visits: 454 
This is a simple Laser communication system. It can transmit and receive signal from any audio device.
author: Marin Lukas - Croatia visits: 380 
Using a single cable such as speaker wire or doorbell cable, this circuit can be remotely positioned
author: visits: 335 
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: 323 |
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