How does this circuit, from an LED night light, work?
123978
Why is this power adapter transformerless?
152501
Why do we need resistors in led
120057
LED ceiling fixture certain diodes blinking
69108
A question about a debouncing circuit
149579
How does the pull down resistor work in this circuit?
87211
Light fixture with a switch that has an outlet
82952
How do I treat this "lamp" to find power dissipated?
84804
Why do light disappears the moment we switch off the source (inside the wooden box)?
98252
How do I calculate the power consumed by a lightbulb?
38114
Basic questions about voltage drop in DC circuit
85238
What is the function of this circuit?
5863
Control LED using usb to parallel converter
30292
How do I calculate the resistor value for a simple LED circuit?
60904
Watts - I think I'm getting free energy from a circuit?
148145
My circuit doesn't respond properly to the duty cycle
108234
Driving a LED with an open drain digital output
124069
How do I convert a light circuit with a single pole switch to use two 3-way switches?