[sdiy] IRED

[John L Marshall]

My plastic test card is yellow with red printing on the back (hint, hint). 
Kodak.

Take care,
John


----- Original Message ----- 
From: "Harry Bissell Jr" <harrybissell at prodigy.net>
To: "anthony" <aankrom at bluemarble.net>; "synth diy" 
<synth-diy at dropmix.xs4all.nl>
Sent: Monday, October 02, 2006 3:20 PM
Subject: Re: [sdiy] IRED


> After a shord time it becomes a DeadLED !!!
>
> (don't do this at home :^)
>
> Someone makes a plastic test card that
> glows when exposed to IR-LEDs for  checking
> TV remotes - buy that
>
> H^) harry
>
> --- anthony <aankrom at bluemarble.net> wrote:
>
>> small observation: you can tell if an IRED is an
>> IRED by hooking it up to a
>> 9V battery at which point it becomes an LED (albeit
>> a very dim one) - with
>> IR that you can FEEL in your fingers! hee hee
>>
>>
>>
>