Driving an LED with resistor directly from 3.3v GPIO pin of a microcontroller - Electrical Engineering Stack Exchange
transistors - Led driver circuit 3.3v & 5v - Electrical Engineering Stack Exchange
L1: Turning on an LED - Physical Computing
Overview | All About LEDs | Adafruit Learning System
Connect LED to 12v 5v and 3.3v PCI power box upgrade - YouTube
Is powering a 3.3v LED without resistor with a 3.3v power supply ok? - Quora
LED blink · MaixPy DOC
3.3v Logic to drive LED strip Data Signal - Other Hardware Development - Arduino Forum
Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
Solved Redesign the LED interface shown in figure 4.20 if | Chegg.com
Revisiting Volts | All About LEDs | Adafruit Learning System
12v to 3v led resistor | 12v to 3v resistor | 12v to 3v converter Ezi Circuits - YouTube
3.3v &3.3v LED how to connect 12V series circuit, how to calculate led series resistor, watts - YouTube
microcontroller - Can I use blue-green LEDs as MCU state indicators on 3.3 V power? - Electrical Engineering Stack Exchange
How can we reduce 12V to 3V by simply using a resistor? - Quora
Overview | All About LEDs | Adafruit Learning System
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
What Resistor You Need For Which Colour Of LED
Solved 2. If the following circuit is connect to a | Chegg.com
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
How to use LED circuit in basic ways | ElecCircuit.com
Devon P. Hubner
Stak - Resistors for use with LEDs - 3.3V, 5V, 6V, 9V, 12V - 100 pack
Light-Emitting Diodes (LEDs) - learn.sparkfun.com
