Powering multiple white LEDs in parallel
2819
Why exactly can't a single resistor be used for many parallel LEDs?
16242
How do two-leaded color changing LEDs work?
111889
led resistor calculation, and resistor wattage?
124910
Is a current-limiting resistor required for LEDs if the forward voltage and supply voltage are equal?
150336
How to create an array of lamps?
61767
How can I make a bluish "white" LED less blue?
77631
Powering Arduino from a voltage divider
91183
Power supply wattage math applied to videcards?
109569
Split power supply for a multiple op amp circuit
62968
OR-ing power supplies (diode or mosfet)
28135
Can I use blue-green LEDs as MCU state indicators on 3.3 V power?
12176
Can I use two 7805 ICs in parallel to get double current capacity?
83628
Resistor in series needed with LED string?
24335
How can I efficiently drive an LED?
65409
Help to join 3 resistors in parallel into 1 (power equation?)
137995
Powering a circuit from either USB or LIPO
99818
light switch conversion 3 gang to 1 gang