Working with a Potentiometer and an LED

COMPONENTS AND SUPPLIES

	Arduino UNO	×	1
	Breadboard (generic)	×	1
	Single Turn Potentiometer- 10k ohms	×	1
	LED (generic)	×	1
	Resistor 1k ohm	×	1
	Jumper wires (generic)	×	1

APPS AND ONLINE SERVICES

Arduino IDE

ABOUT THIS PROJECT

Abstract

• This project demonstrates working with a potentiometer.

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Objective

• To control the brightness of a LED using potentiometer.

https://www.youtube.com/embed/jzSYn3A_l_M?rel=0Working with a Potentiometer

CODE

CodeArduino

const int analog_ip = A0;
const int LED = 3;
int inputVal = 0;

void setup() {
  pinMode (LED, OUTPUT);
}

void loop() {
  inputVal = analogRead(analog_ip);
  analogWrite (LED, inputVal/4);
  delay(100);
}

SCHEMATICS

Circuit Diagram

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Schematic Diagram

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Breadboard Diagram

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