SmartTronics
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1. Blink an LED

How to blink an LED with Arduino.

BeginnerFull instructions provided1 hour621
1. Blink an LED

Things used in this project

Hardware components

Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
LED (generic)
LED (generic)
×1
USB-A to Mini-USB Cable
USB-A to Mini-USB Cable
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

Circuit

Code

Code

Arduino
Arduino Blink
/*
  Blink a LED
  Turns on an LED on for one second, then off for one second, repeatedly.
 
 */
 
// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led = 13;
// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);     
}
// the loop routine runs over and over again forever:
void loop() {
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);               // wait for a second
  digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);               // wait for a second
}

Credits

SmartTronics

SmartTronics

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