Calculating the dropper / series resistor for an LED
33926
Calculating resistor value and power rating for LED driving
105529
Detecting state of LED to control another circuit
114013
$Q$ factor of parallel RLC circuit in series with a capacitor and resistor
152501
Why do we need resistors in led
68628
SMD LED: How to calculate optical power (in mW) from luminous intensity (in mcd)?
123182
Calculate resistors value in voltage divider
14302
How does the current limiting resistor for an LED affect current and voltage drops?
77947
Diodes circuit confusion
157314
Why, microscopically, is the voltage drop across a resistor affected by the current through it?
99132
Resistors in para and series circuit, finding volt
135989
How to calculate a simple mixed parallel/series resistor circuit
20820
What's the difference of placing multiple resistors and one resistor for limiting the current of LEDs?
6117
How to calculate the resistance of a complicated circuit?
152957
Equivalent resistance of resistors
32052
how to reduce DC voltage using resistors?
150114
Calculationg base-resistor between microcontroller and transistor
133986
Multiple two pin multi-color LEDs pattern - how does this work?