const int buttonPin = 25; //esp32 connected to buttons pin
const int LEDPin = 26; //esp32 pin connected to leds pin
// variables will change
int ledState = LOW; // the current state of the led
int lastButtonState; // the previous state of the button
int currentButtonState; // the current state of button
void setup(){
Serial.begin(9600); //initialize serial
pinMode(buttonPin, INPUT_PULLUP); //set esp32 pin to input pull-up mode
pinMode(LEDPin, OUTPUT); // set esp32 pin to output mode
currentButtonState = digitalRead(buttonPin);
}
void loop(){
lastButtonState = currentButtonState; //save the last state
currentButtonState = digitalRead(buttonPin); //Read new state
if(lastButtonState == HIGH && currentButtonState == LOW){
Serial.println("The button is pressed");
// toggle state of LED
ledState = !ledState;
//controll led according to the toggle state
digitalWrite(LEDPin, ledState);
}
delay(100);
}
esp:0
esp:2
esp:4
esp:5
esp:12
esp:13
esp:14
esp:15
esp:16
esp:17
esp:18
esp:19
esp:21
esp:22
esp:23
esp:25
esp:26
esp:27
esp:32
esp:33
esp:34
esp:35
esp:3V3
esp:EN
esp:VP
esp:VN
esp:GND.1
esp:D2
esp:D3
esp:CMD
esp:5V
esp:GND.2
esp:TX
esp:RX
esp:GND.3
esp:D1
esp:D0
esp:CLK
led1:A
led1:C
btn1:1.l
btn1:2.l
btn1:1.r
btn1:2.r
r1:1
r1:2