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Miscellaneous IR circuit diagrams

Infra-red Level Detector
Infra-red Level Detector
December 12, 2010

This circuit is useful in liquids level or proximity detection. It operates detecting the distance from the target by reflection of an infra-red beam. [more]

220vAC Operated Remote Tester
220vAC Operated Remote Tester
September 30, 2010

Here is a simple tester for checking the basic operations of an infrared remote control unit. It is low-cost and easy to construct. The tester is built around infrared receiver module TSOP1738. Operation of the... [more]


circuit from:http://www.extremecircuits.net/2009/07/220vac-operated-remote-tester.html

TV Muter Circuit
TV Muter Circuit
September 27, 2010

Many households are still graced by tube-type television sets. If you want to connect one of these large tellies to your stereo system to improve the sound quality, this is usually not a problem because... [more]


circuit from:http://www.extremecircuits.net/2010/05/tv-muter-circuit.html

IR Music Transmitter and Reciever
IR Music Transmitter and Reciever
September 27, 2010

Using this circuit, audio musical notes can be generated and heard up to a distance of 10 metres. The circuit can be divided into two parts: IR music transmitter and receiver. The IR music transmitter... [more]


circuit from:http://www.extremecircuits.net/2010/05/ir-music-transmitter-and-reciever.html

Beam-break Detector For Camera Shutter or Flash Control
Beam-break Detector For Camera Shutter or Flash Control
September 27, 2010

The IR detector (IC3) controls an LM 7555 CMOS timer (IC2) which operates in mono stable mode. When the beam is broken, IC2 is triggered and its pin 3 output goes high for about half... [more]


circuit from:http://www.extremecircuits.net/2010/03/beam-break-detector-for-camera-shutter.html

IR (Infrared) Detector Circuit Diagram
IR (Infrared) Detector Circuit Diagram
September 27, 2010

Men in particular enjoy the convenience of television remote controls – often to the annoyance of their female partners. Men apparently want to know what they’re missing when the TV is tuned to a particular... [more]


circuit from:http://www.extremecircuits.net/2010/04/ir-infrared-detector-circuit-diagram.html

Infrared Detector
Infrared Detector
June 22, 2010

The infra red radiation is a region with bigger length of wave from the visible spectrum. [more]