[sdiy] IRED

[René Schmitz]

KA4HJH wrote:
>>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
> 
> 
> Radio Shack used to sell it. Very handy. Solves mysteries quickly.

Most CCD based cameras are sensitive in IR... Or you can hook up a 
photodiode to your scope.

Cheers,
  René (who knows the secret of makeing a 1n4148 emit IR...)

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159