Why do people use a separate current limiting restore for each LED in a matrix?
2819
Why exactly can't a single resistor be used for many parallel LEDs?
32052
how to reduce DC voltage using resistors?
123900
How do I design a circuit for a bi-color led to display power?
26164
Pros and cons of using resistor networks over individual resistors?
130958
What resistor is needed to regulate the current through 2 3V LEDs in series with a 9V battery?
86311
Why do we use capacitors in parallel with DC motors?
135501
Why isn't maximum current forced upon a circuit by a power source?
26625
Is a switches voltage and current rating a hard limit?
152660
Why use a transistor for getting a Constant Current Source in a circuit with an op amp?
3918
How do I get the Unitary matrix of a circuit without using the 'unitary_simulator'?
58806
Design review - RGB LED color mixer using PWM
85123
How to drive a 20mA LED From a 4mA max GPIO Pin
17699
The numlock light is reversed
111889
led resistor calculation, and resistor wattage?
62075
Does a "capacitor" for light exist, which could filter out flickering?
158797
accounting for LED resistance
16242
How do two-leaded color changing LEDs work?