b>Electronics Components: Use a Transistor as a Switch</b> - dummies
Driving LEDs on higher voltage | LEDnique
Electrical Engineering - Driving LED with NPN transistor from I/O pin
Switching Using Transistor - Arduino Project Hub
Working of Transistor as a Switch - NPN and PNP Transistors
bjt - How to replace a green LED with a red one in a simple transistor switch? - Electrical Engineering Stack Exchange
Simple constant current LED driver | Bryan Duxbury's Blog
Using Transistor as a Switch | ermicroblog
Control Thy LED | Hackaday
Transistor as a Switch - Using Transistor Switching
voltage - Driving a high power (200mA) LED with a GPIO and NPN transistor - Electrical Engineering Stack Exchange
Using Transistor as a Switch | ermicroblog
Transistor Circuit to Drive LED
Lab: Using a Transistor to Control High Current Loads with an Arduino – ITP Physical Computing
Transistors - SparkFun Learn
Silverlight Developer » Blog Archive Simple LED and Transistor Switch - Silverlight Developer
Working of Transistor as a Switch - NPN and PNP Transistors
Transistors - SparkFun Learn
Control LED Using GPIO Output Pin - Raspberry Pi Spy
How to Build a Simple LED Driver Circuit
How to Use an NPN Transistor as a Switch – Fiz-ix
Low side vs. High side transistor switch - Bald Engineer
Touch Switch Using Single NPN Transistor
