Control an LED with Push-button Switch Using ESP8266

When the button switch is pressed, the LED light-up. when the switch is released, the LED goes out.

Jun 8, 2021

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led

esp8266

switch

Devices & Components

ESP8266 ESP-12E

5 mm LED: Red

Jumper wires (generic)

Resistor 10k ohm

Switch Actuator, Head for spring return push-button

USB-A to Mini-USB Cable

Breadboard (generic)

Project description

Code

c_cpp

Here is the project code.

1
2#include <ESP8266WiFi.h>
3
4void setup() {
5// put your setup  code here, to run once:
6pinMode(D0,INPUT);
7pinMode(D1,OUTPUT);
8}
9
10void  loop() {
11// put your main code here, to run repeatedly:
12int button=digitalRead(D0);
13if(button==1){
14digitalWrite(D1,LOW);
15delay(100);
16}
17else{
18digitalWrite(D1,HIGH);
19delay(100);
20}
21}
22

#include <ESP8266WiFi.h>

void setup() {
// put your setup  code here, to run once:
pinMode(D0,INPUT);
pinMode(D1,OUTPUT);
}

void  loop() {
// put your main code here, to run repeatedly:
int button=digitalRead(D0);
if(button==1){
digitalWrite(D1,LOW);
delay(100);
}
else{
digitalWrite(D1,HIGH);
delay(100);
}
}

Downloadable files

circuit diagram

Here is the project circuit.

circuit diagram

Here is the project circuit.

circuit diagram

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