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[DPRG] 38 Khz I/R Detectors

Subject: [DPRG] 38 Khz I/R Detectors
From: Robert L. Jordan rljordan at airmail.net
Date: Sun Jun 24 22:23:31 CDT 2001

Ralph,
PNA4602 IR detector
http://www.digikey.com/scripts/US/DKSUS.dll?KeywordSearch
Bob

-----Original Message-----
>From:	Ralph Tenny [SMTP:rten at metronet.com]
Sent:	Saturday, June 23, 2001 9:38 AM
To:	Robert L. Jordan
Cc:	'Rodent'; dprglist at dprg.org
Subject:	RE: [DPRG] 38 Khz I/R Detectors

My Mouser catalog shows very few sensors; no Panasonic products.
Ralph

On Thu, 21 Jun 2001, Robert L. Jordan wrote:

> Max. range I use is about 18". Past that it is not
> real predictable, but that is using a small size IR LED.
> Using a larger IR LED or several would extend the range.
> 
> Bob Jordan
> 
> -----Original Message-----
> From:	Rodent [SMTP:daweasel at swbell.net]
> Sent:	Wednesday, June 20, 2001 4:18 PM
> To:	dprglist at dprg.org
> Subject:	Re: [DPRG] 38 Khz I/R Detectors
> 
> What kind of range can you get out of it?
> 
> BTW, got the Sumo chassis done -- time to mount sensors and code.
> 
> ----- Original Message -----
> 
> > I like the Panasonic 4602 (Mouser or Digikey for $1.25 each or less.)
> > It gives a low when it detects IR light that is modulated around 38K
> > to 40 Khz. 3 pin package on 1/10" spacing.
> 
> > > Anyone got a preferred part they can recommend for I/R object
> > detection?
> > > Prefer something with minimal external circuitry if possible, other
> > than the
> > > oscillator for the emitters.
> > >
> > > Got a Sumo chassis built and need to come up with something to find
> > the
> > > other robot. I would prefer the Sharp modules, but they don't work
> > well at
> > > close range.
> 
> 
> 
> 
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