Subject:
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Re: increased range of Infra Red
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 26 Jul 2000 22:48:01 GMT
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Viewed:
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2723 times
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Using a lens would increase the range, but at the expense of narrowing the
angle of detection.
In lugnet.robotics, "Robert McGlade" <Rmcglade@evis.net> writes:
> As with all light you could use a lens to focus the IR beam (you can set =
> this up using a cam-corder to view the optimal positioning), you can =
> also use mirrors to create three beams (a mirror either side). If you =
> use both you should exceed 5 feet. try it with your TV remote.
>
> Rob =20
> ----- Original Message -----=20
> From: rohanpatel=20
> To: lego-robotics@crynwr.com=20
> Sent: Tuesday, July 25, 2000 2:40 PM
> Subject: increased range of Infra Red
>
>
> HI There=20
> Do You guys know how to increase the range of the infra red sensor to =
> above 5 feet , if its an external circuit which I have to connect it =
> does not matter ,=20
> can some one send me the circuit so i can use the infra red sensor to =
> sense a object at a range of 5-10 feet and if it comes in the =
> adjustable range it should give a audiable beep. it does not have to be =
> a part of lego. it should work freely also.
> waiting for a reply=20
> macx
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Message is in Reply To:
 | | Re: increased range of Infra Red
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| As with all light you could use a lens to focus the IR beam (you can set this up using a cam-corder to view the optimal positioning), you can also use mirrors to create three beams (a mirror either side). If you use both you should exceed 5 feet. (...) (26 years ago, 26-Jul-00, to lugnet.robotics)
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