Blinking LED with Arduino Uno

Blinking LED with Arduino Uno

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In this tutorial, we learn about how to blink LEDs using Arduino. This LED Blink Arduino tutorial includes everything about the wiring and programming of this project.

Arduino Uno - LED Blinking

Required Hardware -

1 * Arduino Uno Board

1 * LED

1 * 220-ohm Resistor

1 * Breadboard

2 * Jumper Wires

  • You can buy these components from Amazon by clicking on it

Video Tutorial For This Project

Here is a video tutorial for this project. You can do your whole project with this video.

Credits – techteachervideo

About LED

red led pinout schematic
  • Cathode (-) always needs to be connected with GND.
  • Anode (+) connects with the control LED’s state. (Ex- 13 pin in Arduino Uno board).

Wiring Diagram

diagram for arduino led blink
  • Connect Arduino Board GND pin to LED light (-) pin with a jumper wire.
  • Then, connect Arduino Board 13 pin to LED (+) pin with a remaining jumper wire.
				
					/*
  Blinking LED project.
  Turns on an LED on for one second, then off for one second, repeatedly.
  Last Modification modified 30 March 2020
  by Roy Ben Avraham
 */

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin 13 as an output.
  pinMode(13, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);              // wait for a second
  digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);              // wait for a second
}

				
			

Feel free to ask any questions about this project in the comment section. Thank you.

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