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Simple LED Button

When you press the button, the LED turns on, Using a Snapino UNO!

Mar 18, 2021

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Components and supplies

LED

Button

Alligator Clips

Apps and platforms

Arduino IDE

Project description

Code

button_code

arduino

This code will be the only code you will need. This will tell the computer or microcontroller that pinmode 9 is connected to the button and the led is connected to pinmode 3. The microcontroller will constantly be checking if pin 2 is low. If pin 2 is low, pin three goes high.

1void setup() {
2  //button1
3  pinMode(9,INPUT);
4  //led1
5  pinMode(3,OUTPUT);
6}
7
8void   loop() {
9  if(digitalRead(2)==LOW){
10    digitalWrite(3,HIGH);
11  }
12}
13

void setup() {
  //button1
  pinMode(9,INPUT);
  //led1
  pinMode(3,OUTPUT);
}

void   loop() {
  if(digitalRead(2)==LOW){
    digitalWrite(3,HIGH);
  }
}

button_code

arduino

1void setup() {
2  //button1
3  pinMode(9,INPUT);
4  //led1
5  pinMode(3,OUTPUT);
6}
7
8void
9  loop() {
10  if(digitalRead(2)==LOW){
11    digitalWrite(3,HIGH);
12  }
13}
14

void setup() {
  //button1
  pinMode(9,INPUT);
  //led1
  pinMode(3,OUTPUT);
}

void
  loop() {
  if(digitalRead(2)==LOW){
    digitalWrite(3,HIGH);
  }
}

button_code

arduino

1void setup() {
2  //button1
3  pinMode(9,INPUT);
4  //led1
5  pinMode(3,OUTPUT);
6}
7
8void  loop() {
9  if(digitalRead(2)==LOW){
10    digitalWrite(3,HIGH);
11  }
12}
13

void setup() {
  //button1
  pinMode(9,INPUT);
  //led1
  pinMode(3,OUTPUT);
}

void  loop() {
  if(digitalRead(2)==LOW){
    digitalWrite(3,HIGH);
  }
}

Comments

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Anonymous user

4 years ago

Hi Matthew, This looks great. Thank you

matthewkohn6

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