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1  Forum 2005-2010 (read only) / Italiano / Sensore IR - riciclarne uno da altri dispositivi on: September 12, 2010, 06:57:37 am
Ho trovato una vecchia scheda TV per computer, la quale aveva tra le altre cosa una presa per connettere il ricevitore di infrarossi per ricevere segnali del telecomando.

Posso usare questo sensore sull'arduino?
Ora lo smonto , ma immagino abbia due connettori ... come funziona?
Lo collego come se fosse un ldr? un polo alla corrente e l'altro a un sensore e alla terra?

EDIT: nel cavo ho trovato un cavetto bianco, uno rosso, e tutto attorno dei fili di rame... รจ schermato? o sono 3 segnali diversi?



2  Forum 2005-2010 (read only) / Interfacing / Re: IR sensor from other devices, on arduino on: September 12, 2010, 04:09:32 pm
Thank you davekw7x, ill go with the IR phototransitor which seems to be the right choice for what i'm looking for

Never thought about a phase-locked loop inside the detector
Always think to it as simple as possibile!

BTW, with this kind of device(IR phototransitor) woulndt be possibile to make a remote function( with on-off pulses and a computer which understand that )?

I belive that's not completely clear to me the difference between this receiver

Thanks again anyway!
3  Forum 2005-2010 (read only) / Interfacing / Re: IR sensor from other devices, on arduino on: September 12, 2010, 12:21:12 pm
let's say that I point a IR LED turned to the IR receiver, then this should be like in a status 1 ... if an object pass between the LED and the receiver, this should prevent the IR to get to the receiver which then be on a status 0


Thats the general idea that I had ...I dont know if is impossible for some reason, like a noisy IR ambient wich could keep the receiver in a 1 status ( is that make sense ? smiley-grin)
4  Forum 2005-2010 (read only) / Interfacing / Re: IR sensor from other devices, on arduino on: September 12, 2010, 12:06:42 pm
BTW, thanks for the code, but i'm not kinda interest in mux/demux the signal for some remote control ... I just wanna relieve if there is some ir point to the receiver ( for some kind of alarm)

Is that possible without that size of code? or this will alway receive some kind of IR signal from the ambient?
5  Forum 2005-2010 (read only) / Interfacing / Re: IR sensor from other devices, on arduino on: September 12, 2010, 12:02:41 pm
The unwrapped one should be the ground in your opinion?
should I put some resistor between the 5v and the anode?
or somewhere else ( before the input) like I would do with a LDR ?
6  Forum 2005-2010 (read only) / Interfacing / IR sensor from other devices, on arduino on: September 12, 2010, 11:32:55 am
I found an old TV PCI board, wich has an IR receiver module used for the remote control.

Is it possible to use this device with arduino?

I open the plastic jacket and found 2 cable(red/white) wrapped around copper cables .. is that a shield? or there are 3 different signal?

How can I used with arduino?


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