project categories:

recently added projects:

most popular projects:

you are here: home page :: circuit diagrams :: Miscellaneous

Miscellaneous - list of circuit diagrams

page: 1 2 3
Wart Zapper circuit diagram
A new and improved version of Thomas Scarborough's wart zapper

author: Thomas Scarborough
visits: 17250
Metal Detector circuit diagram
A single chip metal detecor with a range of a few inches

author: Andy Collinson
visits: 5564
Temperature Monitor circuit diagram
Simple Temperature Monitor

author: Andy Collinson
visits: 1614
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: 726
IR Link circuit diagram
A basic Imfra Red Link for audio communication for distances upto 3 metres

author: Milan Markovic
visits: 603
Conjuring Trick circuit diagram
Absolutely incredible trick

author: Rev. Thomas Scarborough
visits: 559
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: 550
Hot Water Level Indicator circuit diagram
A simple device to indicate various levels of hot water in a tank.

author: Andy Collinson
visits: 548
Audio Perimeter Monitor circuit diagram
Using a single cable such as speaker wire or doorbell cable, this circuit can be remotely positioned

author:
visits: 417
Audio Indicator circuit diagram
This circuit can be used to remotely monitor a loudspeaker, alarm, or audio source for presence of an audio waveform. It can also be directly connected across loudspeaker terminals used as a peak indicator

author: Andy Collinson
visits: 405
page: 1 2 3