LED and resistor in series from +5V to digital in - General Electronics - Arduino Forum
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Getting Started with the Arduino - Controlling the LED (Part 1)
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RGB LED With Arduino Uno R3 : 7 Steps - Instructables
Arduino Buttons and LEDs | Push Button Tutorial - Circuit Geeks
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Arduino - Turn LED On and Off With Push Button - YouTube
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REES52 U4-XDNO-TJHL 5mm LED Light Assorted Kit DIY Leds for Arduino (Pack of 100) : Amazon.in: Industrial & Scientific
Arduino - Blinking LED : 3 Steps (with Pictures) - Instructables
L1: Turning on an LED - Physical Computing
L2: Blinking an LED - Physical Computing
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Fade an LED with Pulse Width Modulation using analogWrite() - Programming Electronics Academy
Arduino - Button - LED | Arduino Tutorial
Arduino LED - Complete Tutorial - The Robotics Back-End
Change the sequence of LEDs with button press - Arduino Stack Exchange
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