New posts in Led

Changing the resistor to be in front or behind an LED doesn't affect brightness?

555 timer circuit power consumption

How many SMD 5630 LEDs can I power with 12V 1A power supply?

How does this transistor dual LED flasher circuit work?

Easy way to figure out a LED's Vf in order to pick an appropriate resistor

Why is PWM used to control LEDs even when they're only used On or Off?

How much voltage to give my IR LED?

Why doesn't it matter if a resistor is before or behind an LED wrt voltage drop?

Use transistors to amplify a very small voltage

Why must resistors be on the respective anode terminals instead of the common cathode terminal of a RGB LED?