Subject:
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Re: IR Sensors
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 19 Feb 1999 20:38:27 GMT
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Original-From:
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Nick Taylor <ntaylor@iname.com>
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Viewed:
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848 times
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James - -
Here's a link to the QRB1114 data sheet:
http://208.152.152.149/ir/qrb111x.pdf
My limited playing has shown two things: one - the sensor is
very sensitive to visible light and therefore needs to be used
with an auto-calibrate routine. two - you have to be very
selective in choosing the marker or tape to use for boundry
lines.
- - - Nick - - -
James Plourde wrote:
<snip>
> I've hooked up the QRB1114 infrared sensors to the analog input ports.
> Although they appear to be operating, their values make little sense.
> Whether a black or white object is placed in front of the sensor, the
> Handyboard reads in a low value. This number slowly returns to 255 as the
> object is pulled further away from the sensor. Makes for a great proximity
> sensor, but not exactly what I desired. Any suggestions???? I have it
> hooked up as shown in the HandyBoard manual, 330 ohm resistor and all.
> Thanks for any input.
>
> James
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Message is in Reply To:
 | | IR Sensors
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| Hi everyone, I've hooked up the QRB1114 infrared sensors to the analog input ports. Although they appear to be operating, their values make little sense. Whether a black or white object is placed in front of the sensor, the Handyboard reads in a low (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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