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Questions tagged [infrared]

IR is electromagnetic radiation with longer wavelengths than those of visible light at 0.74 micrometres (µm) to 300 µm, which is extends the nominal red edge of the visible spectrum.

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4
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1answer
12k views

Best wavelength for IR LEDs to be used with a hacked up IR camera?

So, I recently saw this question and thought it looked simple enough. Instead of a webcam though i used an actual (but old, 3MP) digital camera. The camera was a bit broken anyway(always exposed with ...
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2answers
1k views

Test if webcam picks up infrared

I know the good old-fashioned way of shining a remote at a camera to see if it picks up infrared, but I'd like to know if there's any code that does it for you. That'd be much more professional.
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1answer
2k views

How can I use a Integrated IR Receiver IC in a sensor circuit without microprocessors?

I am asked as a term project to design a circuit that is somewhat similar to a park sensor. Let me first say that I am a 2nd year undergrad student, and we are very newly beginning to get into the ...
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2answers
4k views

Interfacing TSOP IR Receiver with Arduino

How do I send signals from a 38 kHz Vishay's TSOP series IR receivers to an Arduino and make the Arduino act accordingly(eg. move a motor)?
2
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4answers
3k views

Using 38 KHz IR receivers to measure distance

Can I somehow use Vishay's TSOP series IR receivers and IR LEDs to measure the distance from an object? Has anyone done that before or has any idea how one could do it(clever programming or circuitry, ...
0
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2answers
881 views

Design for a simple IR-Receiver for PC

I need to control my PC with an IR remote control. The piece of software I think I can use is WinLIRC. Or can someone can suggest something else? Please can someone give me the simplest hardware ...
3
votes
5answers
438 views

Simplest remote IR?

What I need is: when I turn on a IR led, a receiver circuit in the other side would have 5V or 0V depending on the state of the transmitter. Simple. I have a IR transmitter and a photo-diode for ...
15
votes
6answers
472 views

Keeping those IR LEDs

For all the other stupid things I often do, I've found ways to boobytrap myself. For example keeping my wallet on the floor where the door opens - I can't help but stumble on it when I leave the ...
9
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3answers
6k views

How to build an IR Repeater?

I have a digital cable box that lives in a wooden cabinet under my tv. I would like to use the remote with the doors to the cabinet closed. It looks like an IR Repeater runs about $30+. Can one be ...
1
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2answers
1k views

Wii remote as ir signal detector

Hi am currently looking at creating an IR remote control for a robot but i need something that i can use to monitor the signal so i was think that a wii remote has a IR cam in it so i can use that to ...
5
votes
3answers
519 views

Confused by IR pulses

I'd like to decode some IR signals from a TV remote control. I scavenged a 3 pin IR receiver from some old junk and hooked it up. From what I've read about RC-5, I was expecting to see a start bit ...
3
votes
2answers
3k views

How to use an audio output to generate IR frequencies

I have an idea for a project but need some help on achieving what I want to do. I want to create a device which will insert into the audio jack of my iPhone which will emit IR signals to control my ...
3
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3answers
1k views

Components for a WiFi enabled IR controller

I don't have any experience with electronics really but I do have experience in programming. I'm interested in writing a program to control my stereo, TV etc. To achieve this I'll need a piece of ...
5
votes
4answers
676 views

How can I generate a logic pulse from a broken IR beam?

I would like to trigger a [7]555 timer when a phototransistor stops receiving light from an IR led, more precisely when the (expected to be smallish) signal from the light-sensitive voltage divider, ...
3
votes
2answers
417 views

IR Connector for Sharp

I bought one of these, and forgot to get the connector. http://www.sparkfun.com/commerce/categories.php?c=139 Now I need to buy a hall effect sensor and was thinking/looking at mouser, Does anyone ...
5
votes
1answer
633 views

Problem regarding Stephen Hobley's lib for Pixart Sensor

I wonder whether anyone here would have actively worked with the Stephen Hobley library for Pixart Sensor here. I used the same hardware configuration as mentioned in Stephen's website. However, I run ...
5
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2answers
5k views

IR LED Detector question

I need to buy some IR LED Detectors but I am having a hard time finding anything except for the 940nm. It seems that there are only three types of IR LED emitters and detectors sold. 850nm, 880nm &...
0
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2answers
446 views

Light Modulation and Detection

IR light is the mainstay frequency for optical communication systems. How could I experiment with UV frequencies doing the same thing? Ideally I want to set up a serial link just as is often done with ...
2
votes
1answer
405 views

How to make a picaxe service remote for a pioneer ir controller for a DVR - 660H and DVP 540H DVD recorder

How to make a picaxe service remote for a pioneer ir controller for a DVR - 660H and DVP 540H DVD recorder
4
votes
2answers
407 views

Distance sensor IR

I am building a distance sensor..I have the ucontroller portion done. I was going to use IR to reflect a beam and get a proportional analog voltage to estimate distance but...it has no range Any ...
5
votes
4answers
1k views

low voltage motion sensor

I am looking for a motion sensor device that can track person/animal walking by it and record time/date of the event(s). It needs to be able to run on a small battery or two (maybe 2 AA's or a 9 volt)...
6
votes
2answers
1k views

IR Remote code for Arduino

I've just hidden away our entertainment centre electronics including our Infrared controlled DVD Player, Amp and Mac Mini . I was wondering if there is any IR Remote code for Arduino, that I can use ...