LED hookup question

[Craved]

Hey people, hust hooking up some LED's on the car!

Running 14, 1.5V leds from a 12 volt source. just wondering what would be the besat setup!!

2 sets of 7 leds, the seven in series and the 2 sets in parrallel???

more worried about what resistors etc i would need to reduce them down to 1.5V if that is needed ....

havent done this in ages so any suggestion on a good setup would be great!!

cheers people!

[funkymonkey]

hmm 7 leds you say, if I didn't know any better I'd say you were tyring to light up the word SKYLINE!

[Craved]

LOL - that obvious?????

i did say 14 but

but yeah thats what i am doing, but linked into the brake light!!

[funkymonkey]

haha same thing I did, used a 4 way switch tho, 1 for off, 2 different scan patterns and 1 linked to brake.

I'll see if I can find the lil piece of paper I sketched my circuit diagram on. I used 3 LEDs each in series in parallel rows of 7.

Mines a bit more complicated coz as I said I did the scanning thing so it needed a relay per row n stuff.

[Craved]

that would be cool, i think i saw you post up a pic of yours a while back... lights up the letter idividually doesn't it??

did you run a resistor on each 3 series set to lower it to 1.5V? the just run 12V into those?

[funkymonkey]

relay-resistor-led-led-led- x 7

each relay was triggered by the scanning circuit which then gave the row 12v, which the resistor then stepped down adn the LEDs then used.

LED's were 5mm high brightness waterclear 135mW 2.1V - 5V Max 20000MCD units, which were $2.50 each. Birghtest mofos on this side of the sun hehe. (pulled those values off Jaycar catalogue).

Hacked one of these to get the scan thing happening... anyways I'm off! laters.

[Craved]

catch ya man,, cheers for that!!!

you used a resister to bring down to 1.5V right!!

will check that pic on a non-proxied machine

have a good one!