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DPRG: IR too sensitive.

Subject: DPRG: IR too sensitive.
From: Dan Miner miner at centtech.com
Date: Tue Mar 9 11:38:01 CST 1999

Increase the resistance in series with your IR LEDs.
This will decrease the LED current and thus, decrease
the light intensity coming out.

> From: Matt Minnis [mailto:mminnis at prefres.com]
> 
> Have any of you had the sharp IR detectors that were way too 
> sensitive?
> 
> I see things from 7-9" on each.  I have scotch taped the 
> detector with I
> lost count how many layers of tape.  I have the oscillator as 
> far out of
> tune as the detector will still detect, and still I have too 
> much range.
> 
> What I am trying to achieve is a 3-4" detect so I can navigate between
> objects.  The 7-9" on each side plus the with of the robot at 
> 10" is too
> wide for the required corridor.  
> 
> I tried red cellophane, but that didn't seem to block any IR 
> at all.  Does
> anyone have any ideas?
> 
> What else can I do?
> 
> Thanks,
> 
> Matt Minnis
> 
> 
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