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BJT Driving an LED - Above or Below? - Electrical Engineering Stack Exchange
BJT Driving an LED - Above or Below? - Electrical Engineering Stack Exchange

transistors - Driving high current through an LED using PWM - Electrical  Engineering Stack Exchange
transistors - Driving high current through an LED using PWM - Electrical Engineering Stack Exchange

microcontroller - BJT Constant current LED driver - Electrical Engineering  Stack Exchange
microcontroller - BJT Constant current LED driver - Electrical Engineering Stack Exchange

LED DRIVER Figure A. illustrates the principle of the LED driver... |  Download Scientific Diagram
LED DRIVER Figure A. illustrates the principle of the LED driver... | Download Scientific Diagram

Hit the brakes on discrete LED circuit designs - Power management -  Technical articles - TI E2E support forums
Hit the brakes on discrete LED circuit designs - Power management - Technical articles - TI E2E support forums

electro-music.com :: View topic - A Collection of LED Drivers
electro-music.com :: View topic - A Collection of LED Drivers

Low Power LED driver circuit with Save energy Switch mode
Low Power LED driver circuit with Save energy Switch mode

Transistors drive LEDs to light the path - EDN
Transistors drive LEDs to light the path - EDN

Some Simple Transistor and IC Circuits | Nuts & Volts Magazine
Some Simple Transistor and IC Circuits | Nuts & Volts Magazine

How to Build a Simple LED Driver Circuit
How to Build a Simple LED Driver Circuit

Electrical Engineering - Driving LED with NPN transistor from I/O pin
Electrical Engineering - Driving LED with NPN transistor from I/O pin

Electrical Engineering - Driving LED with NPN transistor from I/O pin
Electrical Engineering - Driving LED with NPN transistor from I/O pin

2-transistor Black Regulator
2-transistor Black Regulator

transistors - High side or low side LED driver with NPN BJT? Which is  better? - Electrical Engineering Stack Exchange
transistors - High side or low side LED driver with NPN BJT? Which is better? - Electrical Engineering Stack Exchange

Driving Multiple LEDs from a transistor — Parallax Forums
Driving Multiple LEDs from a transistor — Parallax Forums

High side transistor switch with 9V LED driver - Electrical Engineering  Stack Exchange
High side transistor switch with 9V LED driver - Electrical Engineering Stack Exchange

Transistor Circuit to Drive LED
Transistor Circuit to Drive LED

Solved] which transistor to use for this constant current LED driver.
Solved] which transistor to use for this constant current LED driver.

Circuit schematics | Electronics & Arduino | Page 2
Circuit schematics | Electronics & Arduino | Page 2

SOLVED] - LED driving with 2 BJT's Current Source Circuit | Forum for  Electronics
SOLVED] - LED driving with 2 BJT's Current Source Circuit | Forum for Electronics

Would this LED Driver actually be do-able with reasonable parts like an  LM358? Or is there some parameter in the Transistor/Op-Amp that's pretty  much impossible in reality? I'm expecting yes but why? :
Would this LED Driver actually be do-able with reasonable parts like an LM358? Or is there some parameter in the Transistor/Op-Amp that's pretty much impossible in reality? I'm expecting yes but why? :

Power-up Nano PWM Pin - LEDs and Multiplexing - Arduino Forum
Power-up Nano PWM Pin - LEDs and Multiplexing - Arduino Forum

LED driver electronic project using transistors
LED driver electronic project using transistors

voltage - Constant current LED driver using transistors - Electrical  Engineering Stack Exchange
voltage - Constant current LED driver using transistors - Electrical Engineering Stack Exchange

NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics  Forum (Circuits, Projects and Microcontrollers)
NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics Forum (Circuits, Projects and Microcontrollers)

LED Constant Current Circuit
LED Constant Current Circuit