Arduino Tutorial 02: Buttons and PWM
http://howtomechatronics.com/tutorials/arduino/buttons-pwm/ ► Find more details, circuit schematics and source codes from my official website.
Welcome to the second Arduino Tutorial from our Arduino Tutorial Series. In this tutorial we will learn how the Digital Input and Output pins work and we will make few examples using Buttons and LEDs. Also we will learn what is PWM (Pulse Width Modulation) and make examples for controlling the LED brightness using PWM.
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