Why can I put a resistor at either lead of this LED and still see its effects?
54835
Why does a resistor need to be on the anode of an LED?
77947
Diodes circuit confusion
130958
What resistor is needed to regulate the current through 2 3V LEDs in series with a 9V battery?
153812
Resistor value for Opto-coupler input
31467
Resistors in Parallel
90016
What causes a resistor to heat up?
136180
How to use resistors?
44284
Resistors in series vs parallel
102460
Raspberry Pi + IRFZ44N to control a 5050 RGB LED strip: current seems to be limited
42977
Why is there an "electric" potential drop across the resistor?
79626
What is the purpose of the emitter resistor in a common emitter amplifier?
7621
Reducing voltage with resistors
14112
Why would one drive LEDs with a common emitter?
127515
Is it OK to put LEDs in parallel?
125392
Is LED properly implemented in the constant current circuit?
5100
What determines the forward voltage drop for a diode?
83628
Resistor in series needed with LED string?