Audio and Electronics Discuss in-car entertainment systems, audio and video systems, car alarms and other electronics topics.

LED Resistor size??

Reply Subscribe

Search this Thread

Old

Apr 22, 2005 | 01:16 PM

#1

joeeey

Thread Starter

Donating Maxima.org Member

iTrader: (1)

Joined: Jan 2005

Posts: 522

LED Resistor size??

I just received from superbright.com R:5-B2545 LED's there 2500 mcd. I have no idea what size resistor to use. Could someone help me out. THanks

Reply

Old

Apr 22, 2005 | 01:37 PM

#2

Metal Maxima

SHIFT_om nom nom nom

iTrader: (30)

Joined: Aug 2004

Posts: 6,998

(Car elec. supply =12V) - (# Bulbs in Series)x(Working Voltage) = Excess Voltage

(Excess Voltage)/(Desired Current Flow) = Ohms resistor needed

Reply

Old

Apr 22, 2005 | 03:28 PM

#3

maximal

Member

iTrader: (4)

Joined: Oct 2003

Posts: 269

or if you're lazy, here's a calculator...
http://linear1.org/ckts/led.php

use this one if you want to hook up more than 1 led...
http://led.linear1.org/led.wiz

Reply

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

car overheating

Miket2006

6th Generation Maxima (2004-2008)

4

Mar 1, 2021 03:55 AM

Fog Light Moisture Issues?

mpbclutch33

8th Generation Maxima (2016-)

8

Dec 26, 2015 11:11 AM

CAN-Toronto FS: Basement cleaning

knight_yyz

5th Generation Classifieds (2000-2003)

12

Nov 1, 2015 01:34 PM

Reply Share

First
Prev
1 / 1
Next
Last

All times are GMT -7. The time now is 11:21 AM.