How do I calculate what resistors I need for RGB LEDs with 3.7V?
30292
How do I calculate the resistor value for a simple LED circuit?
71687
Please help with resistor color code?
83628
Resistor in series needed with LED string?
150114
Calculationg base-resistor between microcontroller and transistor
24335
How can I efficiently drive an LED?
121688
Why do you need 2 resistors when hooking up a transistor as a switch
42002
Why must resistors be on the respective anode terminals instead of the common cathode terminal of a RGB LED?
78408
calculating resistance for LED strips to use as parking lamps and turn signals
47825
RGB LED and which drivers
158797
accounting for LED resistance
152957
Equivalent resistance of resistors
122522
Interfacing switch and LED
2819
Why exactly can't a single resistor be used for many parallel LEDs?
85036
Is there a correct resistance value for I2C pull-up resistors?
68628
SMD LED: How to calculate optical power (in mW) from luminous intensity (in mcd)?
126917
Calculating resistance for zener diodes?
133986
Multiple two pin multi-color LEDs pattern - how does this work?