Make a Simple LED Circuit

Make an LED turn on and/or blink.

Mar 9, 2018

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450569 views

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57 respects

arduino

blink

led

Components and supplies

Arduino Uno Rev3

Resistor 220 ohm

Jumper wires (generic)

LED (generic)

Project description

Code

Simple Code

arduino

Copy and paste this code into your Arduino IDE or Web Editor

1#define LED 13  // The pin the LED is connected to
2void setup() {
3   pinMode(LED, OUTPUT); // Declare the LED as an output
4}
5
6void loop()   {
7  digitalWrite(LED, HIGH); // Turn the LED on
8}
9

#define LED 13  // The pin the LED is connected to
void setup() {
   pinMode(LED, OUTPUT); // Declare the LED as an output
}

void loop()   {
  digitalWrite(LED, HIGH); // Turn the LED on
}

LED Blink Code

arduino

Copy and paste this code into your Arduino IDE or Web Editor

1#define LED 13 // the pin the LED is connected to
2
3void setup()   {
4  pinMode(LED, OUTPUT); // Declare the LED as an output
5}
6
7void loop()   {
8  digitalWrite(LED, HIGH); // Turn the LED on
9  delay(1000); // Wait for   1000 milliseconds (1 second)
10  digitalWrite(LED, LOW); // Turn the LED off
11   delay(1000); // Wait for 1000 milliseconds (1 second)
12}

#define LED 13 // the pin the LED is connected to

void setup()   {
  pinMode(LED, OUTPUT); // Declare the LED as an output
}

void loop()   {
  digitalWrite(LED, HIGH); // Turn the LED on
  delay(1000); // Wait for   1000 milliseconds (1 second)
  digitalWrite(LED, LOW); // Turn the LED off
   delay(1000); // Wait for 1000 milliseconds (1 second)
}

LED Blink Code

arduino

Copy and paste this code into your Arduino IDE or Web Editor

1#define LED 13 // the pin the LED is connected to
2
3void setup()  {
4  pinMode(LED, OUTPUT); // Declare the LED as an output
5}
6
7void loop()  {
8  digitalWrite(LED, HIGH); // Turn the LED on
9  delay(1000); // Wait for  1000 milliseconds (1 second)
10  digitalWrite(LED, LOW); // Turn the LED off
11  delay(1000); // Wait for 1000 milliseconds (1 second)
12}

#define LED 13 // the pin the LED is connected to

void setup()  {
  pinMode(LED, OUTPUT); // Declare the LED as an output
}

void loop()  {
  digitalWrite(LED, HIGH); // Turn the LED on
  delay(1000); // Wait for  1000 milliseconds (1 second)
  digitalWrite(LED, LOW); // Turn the LED off
  delay(1000); // Wait for 1000 milliseconds (1 second)
}

Simple Code

arduino

Copy and paste this code into your Arduino IDE or Web Editor

1#define LED 13  // The pin the LED is connected to
2void setup() {
3  pinMode(LED, OUTPUT); // Declare the LED as an output
4}
5
6void loop()  {
7  digitalWrite(LED, HIGH); // Turn the LED on
8}
9

#define LED 13  // The pin the LED is connected to
void setup() {
  pinMode(LED, OUTPUT); // Declare the LED as an output
}

void loop()  {
  digitalWrite(LED, HIGH); // Turn the LED on
}

Downloadable files

Diagram

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