How to calculate a resistor needed for an LED
30292
How do I calculate the resistor value for a simple LED circuit?
16242
How do two-leaded color changing LEDs work?
144574
Determining Resistor for Heating Element
153812
Resistor value for Opto-coupler input
23708
Resistor in series
157865
Formula between wire size and current
30881
How to find the resistor value using the color codes?
31944
How do I model an LED with SPICE?
134679
How do I calculate the power rating for zero-ohm resistors?
156325
Pull-up resistor clarification
97680
What happens to the semiconductor in an LED when it is given voltage that it cannot handle?
36312
Changing the resistor to be in front or behind an LED doesn't affect brightness?
31467
Resistors in Parallel
80746
Total resistance with resistors bridging two branches
72226
LED conversion efficiency exceed 100%
40711
Getting higher power output by using more resistors
62888
How to power a button's LED within a guitar?