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From: LouisCimon@sympatico.ca (Louis Cimon)
Subject: Re: Light gun circuit
Date: 14 Jan 2003 15:54:38 -0800
References: <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org>
NNTP-Posting-Date: 14 Jan 2003 23:54:38 GMT
- Ren - wrote in message news:...
> On 13 Jan 2003 14:51:13 -0800, LouisCimon@sympatico.ca (Louis Cimon)
> >> Better puls an IR led with ~ 38 KHz (led + collimator lens) , use a
> >> stock standard integrated IR decoder for pickup (+ lens or pipe for
> >> directivity) For multiple targets, perhaps use data protocol as used
> >> in RC's (RC5?)
> >The problem is that I dont see infrared so I must use a visible light.
> Cannot use a visible laser led in parallel with IR beam? Or flank the
> IR led with hi-bright visible leds placed before the same collimator
> lens to project a visible target? The spatial offset can be
> compensated in the "gun" targeting system.
I thought using these solutions but I am still looking for a simpler
one : simple things usually work better...
The other reason is that I intend using a laser LED on the gun in some
situations. Then I will have 2 laser spots : one from the gun (the gun
will emit a brief pulse) and one from the target : pretty confusing...
I did some tests with a high output white LED and a lens and it gives
a bright enough spot to make it workable. I hope it will still be
bright enough when pulsed.
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