Why do LED circuits in a parallel series need a resistor? - Quora
Can I wire LEDs without resistor with an Arduino like this? - Arduino Stack Exchange
Powering high power LEDs without resistors - Electrical Engineering Stack Exchange
Battery and LED without resistor | LEDnique
current - OK to hook up LED without resistor? - Electrical Engineering Stack Exchange
current - OK to hook up LED without resistor? - Electrical Engineering Stack Exchange
Battery and LED without resistor | LEDnique
Basic LED Circuit with TinkerCAD — Digital Maestro Magazine
Do I *need* a resistor for an LED? - Raspberry Pi Forums
Efficiently dim your LED without a sense resistor - Power management - Technical articles - TI E2E support forums
Don't Burn Out! Calculating LED Current Limiting Resistor | Benc
![Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino](http://farm1.static.flickr.com/30/61941877_d74eae045b_o.jpg "Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino")
Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino
Exterior led resistor fix – GoWesty
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Picking Resistors for LEDs - Make:
Driving an LED with or without a resistor – tinkerlog
How To Light Up LEDs Without Resistor Math - YouTube
Make a Pushbutton Without a Resistor - Instructables
Putco Load Resistors for LED Turn Signals and Brake Lights
BlueJ - LED Tutorial
Bad Tutorial? Connect an LED directly to pin 13 without resistor? - Website and Forum - Arduino Forum
Current limiting resistor for LED or other loads | ElecCircuit.com
