What happens if LEDs do not get enough current?
423
Choosing power supply, how to get the voltage and current ratings?
24335
How can I efficiently drive an LED?
87842
Why am I getting 50V at a light when the switch is off?
85123
How to drive a 20mA LED From a 4mA max GPIO Pin
49235
Does a power supply draw only as much power as it needs?
82094
Resistor selection for LED
140532
LED as power generator
107999
Can I safely use a 9w LED bulb in place of a 40w incandescent?
30292
How do I calculate the resistor value for a simple LED circuit?
12033
What would happen if I connect two different DC voltage sources in parallel?
42002
Why must resistors be on the respective anode terminals instead of the common cathode terminal of a RGB LED?
9182
Driving LED with PIC 5V
54835
Why does a resistor need to be on the anode of an LED?
110088
What happens if the input of a voltage regulator gets out of the operating range?
6840
Why are there only RGB and RGBW-LEDs, but none with more chips inside one housing?
20820
What's the difference of placing multiple resistors and one resistor for limiting the current of LEDs?
12448
How is it possible that if I combine 100 Ohm resistors in different ways, I get _LESS_ resistance than original?