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Carlos demonstrates how to build a simple IR detector. Looks like it could be done for a dollar or two.
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November 12th, 2007
Nice, thx for this simple circuit.
November 12th, 2007
[...] Original post by Alan Parekh [...]
November 12th, 2007
Finally, I way to find out if it’s a rogue TV or a TV-B-Gone being used to kill it…
I’ll get you pranksters yet!!! (haha)
November 12th, 2007
how about this … use your cell phone camera to detect IR
November 13th, 2007
[...] post by Alan Parekh Written by admin on November 10th, 2007 with no comments. Read more articles on [...]
December 4th, 2007
electronic circuit for amplifire infrared reciver
January 30th, 2009
wanted a schematic diagram of a cellphone detector which can detect mobile phones even at the standby mode
February 18th, 2009
how to detect spy infrared camera in room.please send simple detector circuit diagram
April 22nd, 2009
how to detect spy infrared camera in a room.please send simple circuit diagram
August 29th, 2010
hi
i just want to know if there is a way to enhance the range of reception
June 23rd, 2011
Hi very nice circuit, can u also teach me how to make a IR transmitter circuit so that i can combine these 2 to make a IR proximity detector.
February 6th, 2012
Hi Can you tell me what purpose the 1K resistor serves?
I used weak 9V ( about 7.3V) battery and ended up yanking the 1K out while using 240 instead of 100 ohm limiter.
I must say I had no luck with the blue emiter as detector from the Circuit city combo package, had to use the detector.
I guess I should have tried it with the detector I already had from 15-20 years ago from Radioshack first.
Now off to hook up that CD laser diode, visible or not, curious what the range will be with that, instead of dome shaped ir emiters.