Homebrew PCBs

Replying to myself

On 04/11/13 22:45, James wrote:
>
> I did see somebody had used an LED strip tape once which had UV leds 
> on it, but havn't been able to find led strip tape in UV myself.

Huh, what do you know, I looked on ebay today and found a bunch, I'm 
sure I've looked before, maybe I just thought they were purple or 
something but checking the wavelengths they come in at 395-405nm which 
is right at the top end of UV, but should be close enough, wide angle, 
come in 60 per meter or 120 per meter, I expect about 500mA per meter 
for the 60's and an amp for the 120's, at 12v.

For those not familiar with this type of LED strip, it's self adhesive 
and can be cut every 3 leds (the strip is constructed of sets of 3 leds 
in series with a current limiting resistor, and each set paralleled 
across a power bus running the length of the strip).

First couple listings I found specifically for UV...
5M 300: 
http://www.ebay.com.au/itm/16-4ft-5M-UV-395nm-3528-SMD-Purple-300-LED-Flex-Strip-Light-Non-Waterproof-12VDC-/310772608885?pt=LH_DefaultDomain_0&hash=item485b7daf75&_uhb=1
5M 600: 
http://www.ebay.com.au/itm/5m-UV-ultraviolet-Non-waterproof-3528SMD-600-LEDs-500CM-flexible-LED-Light-Strip-/141105009197?pt=US_String_Lights_Fairy_Lights&hash=item20da83922d&_uhb=1

I'm currently building myself a new UV (and visible) box, might go this 
route.  I guess it wouldn't be as well collimated being wide angle as my 
narrow angle 5mm leds at present, but I really don't think it would make 
any appreciable difference, the ease of construction would more than 
make up for it.