Re: [OT - ish] - Quick and easy LED - Resistance Calculator...

["Wayne" <wayne@xxxxxxx>]

ta!
at least I know now I'm not goint to short out my power supply :)

Wayne.



----- Original Message -----
From: "Dave McLaughlin" <dave@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Tuesday, August 12, 2003 10:15 PM
Subject: RE: [ukha_d] [OT - ish] - Quick and easy LED - Resistance
Calculator...


> Seems OK to me. The actual calcs are very simple in the first place if
you
> know the values to put in the formula. You get these from the LED
datasheets
> anyway.
>
> (Vsupply - Vled (forward voltage)) / Current in amps
>
> Dave...
>   -----Original Message-----
>   From: Wayne [mailto:wayne@xxxxxxx]
>   Sent: 12 August 2003 19:00
>   To: ukha_d@xxxxxxx
>   Subject: [ukha_d] [OT - ish] - Quick and easy LED - Resistance
> Calculator...
>
>
>   Its amazing what you can google these days...
>
>   In looking for a method to calculate what size resistor I need to do
a
> 'power on' led for some 12 volt PC fans - I came accross this litt'l
n.
>
>   http://home.cogeco.ca/~rpaisley4/LEDcalc.html
>
>   Dunno if the results are accurate (maybe an electronics wizz can
> verify?) - but It saves me on the maths anyways!
>
>   Enjoy!
>
>   Wayne.
>
>   [Non-text portions of this message have been removed]
>
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