Originally posted by adpsimpson
View Post
Announcement
Collapse
No announcement yet.
Interior lighting
Collapse
X
-
these might help you find what you are looking for
http://www.maplin.co.uk/Search.aspx?...eds&source=15& sd=y
http://www.ultraleds.co.uk/index .php
and a bit on using leds
http://www.kpsec.freeuk.com/components/led.htmLast edited by soramad; 10 February 2009, 22:16.
Comment
-
Yes, that looks reasonable, but do keep in mind that the sort of LEDs now available for lighting rather than indication generally have higher forward voltages so dont assume 2v per LED. However, if you do, you will have lower current so probably wont pop anything.Cutting steps in the roof of the world
Comment
-
Originally posted by BUSHWHACKER View Post470 ohm 1/4 watt resistors are best for LEDs in 12v vehicles.
Cheers for the clarification.
Originally posted by Apache View Post(five in series so you dont overdrive them when the engine's running and you have 14.4v on the power system).
Just to clear up any confusion, you dont need to limit the current if you do this as it will look after itself if you stay under the forward voltage limit.
Comment
-
I used a 470ohm resistor on each led when i did mine, it's more work/fiddley but avoids dropping the said b0ll0ck, and bear in mind that different colours are slightly different forward voltage, cant remember the exact rateing but summat like red, orange, white, are 3.5v forward and the duller colours like blue, UV etc summat like 2.5v these guys are very good and helpfull,
also the ultra bright leds are are a higher forward voltage than defused ones i think, the voltages are stated on the packets fron these suppliers as most will be,
http://stores.ebay.co.uk/Goodwill-Le...dZ2QQpZ2QQtZkm
http://stores.ebay.co.uk/phenoptix_W...toreviewQQtZkmLast edited by POPEYE; 11 February 2009, 11:51.Too young to die and too old to give a toss
Comment
Comment