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Infrared circuit diagrams
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]
November 8, 2010
Don't like your little brother's TV channel selection? Hate the volume your wife sets the stereo at? Want to just annoy someone? This circuit does all that and more by jamming most IR remote signals.... [more]
October 31, 2010
his remote transmits a tone using an infa-red LED. This tone is decoded by the receiver. Since the receiver only switches when it "hears" the tone, there are no accidental activations. [more]
October 31, 2010
This is a single channel (on / off) universal switch that may be used with any Infra Red remote control that uses wavelengths between 850-950nm. [more]
October 3, 2010
Most homes today have at least a few infrared remote controls, whether they be for the television, the video recorder, the stereo, etc. Despite that fact, who among us has not cursed the light that... [more]
circuit from:http://www.extremecircuits.net/2010/05/on-off-infrared-remote-control.html
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
September 27, 2010
Normally home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no physical contact for operating the... [more]
September 27, 2010
Firecrackers are normally ignited by using a matchstick or a candle. You have to run away quickly after igniting the fuse of the firecracker. This method of igniting firecracker is unsafe, because the danger of... [more]
circuit from:http://www.extremecircuits.net/2010/05/infrared-fire-cracker-igniter.html
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