Make a Simple LED Circuit

Make an LED turn on and/or blink.

Mar 9, 2018

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arduino

blink

led

Devices & Components

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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rowan07

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