LED Door Reflectors
Originally Posted by usmanasif
Paul, I have a question. Since most LEDs are 3-3.3v, most people prefer connecting them in series of 4 so as to avoid needing a resistor since the combined voltage needed equals the voltage provided by the battery. You still used one, though. Why? I am confused.
In a best case scenario you would use individual resistors on each LED, so that there is no effect if one happens to burn out (slim chance).
Originally Posted by KPierson
You should always use a resistor with an LED, as it will limit the current, and protect the LED. A cars electrical system is prone to voltage spikes and dips, and isn't stable at all. Using a resistor will provide some protection from spikes by limiting the current, and thus protecting the LEDs.
In a best case scenario you would use individual resistors on each LED, so that there is no effect if one happens to burn out (slim chance).
In a best case scenario you would use individual resistors on each LED, so that there is no effect if one happens to burn out (slim chance).
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