Tips On Leds
Posted 02 March 2005 - 05:32 AM
Also, usually, you'll want to connect your LEDs in parallel. Most of the brighter green and blue LEDs have voltage drops between 3.3-3.8V. If connected in series on a 12V line, you could only use about 3-4 LEDs. Standard red LEDs have a 1.6V drop, but no one uses those for modding.
Tip: Although resistor calculation is rather simple if you know about electronics, if you don't, it's not completely straightforward. Use metku mods LED calculator. This will help you.
Posted 02 March 2005 - 05:41 AM
Posted 02 March 2005 - 05:43 AM
Usually, the current should be 20mA. So if you go by 20 mA, you should have no problem.
Posted 02 March 2005 - 06:45 AM
Posted 02 March 2005 - 07:06 AM
If you're using differnet colors, be sure to use the proper resistors so that there the voltage drops are in the range of the LEDs normal operating voltage.
Warmer colors have lower voltages than the cooler colors.
Posted 02 March 2005 - 08:14 AM
Posted 02 March 2005 - 08:20 AM
That's why I point out to use the 5V power source and not the 12V like some modders mistakenly do.
Also, the LED calculator listed above does indeed take into account the wattage.
EDIT: POWER = WATTS
Edited by roots4x, 02 March 2005 - 08:20 AM.
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