LIGHTNING SENSOR

lightning sensor

// this constant won’t change:
const int buttonPin = 2; // the pin that the pushbutton is attached to
const int ledPin = 13; // the pin that the LED is attached to

// Variables will change:
int buttonPushCounter = 0; // counter for the number of button presses
int buttonState = 0; // current state of the button
int lastButtonState = 0; // previous state of the button

void setup() {
// initialize the button pin as a input:
pinMode(buttonPin, INPUT);
// initialize the LED as an output:
pinMode(ledPin, OUTPUT);
// initialize serial communication:
Serial.begin(9600);
}
void loop() {
// read the pushbutton input pin:
buttonState = digitalRead(buttonPin);

// compare the buttonState to its previous state
if (buttonState != lastButtonState) {
// if the state has changed, increment the counter
if (buttonState == LOW) {
// if the current state is HIGH then the button
// wend from off to on:
buttonPushCounter++;
//Serial.println(“on”);
Serial.print(“number of lightning: “);
Serial.println(buttonPushCounter);
} else {
// if the current state is LOW then the button
// wend from on to off:
//Serial.println(“off”);
}
// Delay a little bit to avoid bouncing
delay(1);
}
// save the current state as the last state,
//for next time through the loop
lastButtonState = buttonState;
}

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