Making LED taillights

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hakosuka

Member - Posts: 37

Joined: February 21, 2006

Location: Japan

Posted: May 24, 2006 at 6:21 AM / IP Logged

thanks for the input everyone. i just got the leds in today, so i should be finished in a matter of days.

stealthone

Member - Posts: 26

Joined: April 01, 2006

Location: United States

Posted: May 24, 2006 at 9:14 PM / IP Logged

[/QUOTE]You meant 1 resistor for each set of four leds in a series to the positive wire?

So for the case of hakosuka project as above,only need 2 resistors of 60-100ohm 1/4 watters?

Sorry not a pro just an amateur trying to learn stuff from you guys.

Many thx for inputs.[/QUOTE]

That is correct!

1998chevy1500

Copper - Posts: 66

Joined: March 12, 2003

Location: United States

Posted: May 26, 2006 at 12:17 AM / IP Logged

I would go to this website and use the calculator to see what size resistor you need to use with the LEDs. http://led.linear1.org/1led.wiz

mark111

Member - Posts: 3

Joined: May 22, 2006

Posted: May 26, 2006 at 10:54 PM / IP Logged

Thx Rookie,

Been most helpful.

Rgds.

Mark

hakosuka

Member - Posts: 37

Joined: February 21, 2006

Location: Japan

Posted: May 27, 2006 at 2:29 AM / IP Logged

Making LED taillights - Page 2 -- posted image.

almost almost finished with one

Making LED taillights - Page 2 -- posted image.

hakosuka

Member - Posts: 37

Joined: February 21, 2006

Location: Japan

Posted: May 31, 2006 at 10:18 AM / IP Logged

i finally got one of the taillights wired up completely. i used 6 leds in series, each one is 1.8-2.4V, so i have a range of 10.8V-14.4V, and i also wired up the other two leds with resistors (not sure of the rating, they came with the leds and are supposed to be for 12v applications). i did the same with the second line of leds. i have 8 leds that come on with the headlights and another 8 for the brake lights. For the blinkers, i wired up 2 sets of 3 leds in series, each led with a rating of 3-3.8V. ive tested them out, and they work fine aside from the blinkers blinking fast (not enough resistance).

stealthone

Member - Posts: 26

Joined: April 01, 2006

Location: United States

Posted: May 31, 2006 at 10:22 PM / IP Logged

hakosuka wrote:

ive tested them out, and they work fine aside from the blinkers blinking fast (not enough resistance).

Okay, do not add the resistor and replace the load, change the flasher electronic EL type. I have had good success with EL12 (two tab flasher) and EL13 (three tab flasher)

hakosuka

Member - Posts: 37

Joined: February 21, 2006

Location: Japan

Posted: June 29, 2006 at 8:38 PM / IP Logged

i actually got some electrical tape and stopped being lazy, so i should be done by tomorrow or the day after. pics up soon

kardain

Member - Posts: 15

Joined: April 08, 2006

Location: United States

Posted: July 22, 2006 at 2:45 AM / IP Logged

Looks good. Cant wait to see the final product :)

Here's what I'm working on for a Pontiac Sunfire:

Just used some preassembled boards (cause I don't really have the time or the extra $$$ for custom boards)

hakosuka

Member - Posts: 37

Joined: February 21, 2006

Location: Japan

Posted: July 22, 2006 at 9:30 AM / IP Logged

nice! mines lookin very similar to yours, but mine doesnt have as many leds

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