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
Most of the IR remotes work reliably within a range of 5 metres. The circuit complexity increases if you design the IR transmitter for reliable operation over a longer range, say, 10 metres. To double... [more]
circuit from:http://www.extremecircuits.net/2010/05/long-range-ir-transmitter.html
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
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
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
This small circuit is ideal for checking the basic operation of an infrared remote control unit. The circuit is based on the brilliantly simple idea of connecting a piezo buzzer directly to an IR receiver... [more]
circuit from:http://www.extremecircuits.net/2010/05/ir-remote-control-tester.html
A very simple device allowing a quick check of common Infra-red Remote-Controls can be useful to the electronics amateur, frequently asked to repair or test these ubiquitous devices. A reliable circuit was designed with a... [more]
circuit from:http://www.extremecircuits.net/2009/07/infrared-remote-tester.html
This is an improved IR remote control extender circuit. It has high noise immunity, is resistant to ambient and reflected light and has an increased range from remote control to the extender circuit of about... [more]
This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. [more]
The infra red radiation is a region with bigger length of wave from the visible spectrum. [more]