int led =13; // led is connected to esp32 D13
int pirdata =15 ; // pir D is connected to D15
int pirstate =LOW ; // assuming no motion
int value =0; // to read pin status
void setup() {
pinMode(led, OUTPUT); // Led as output
pinMode(pirdata, INPUT); // PIR sensor as input
Serial.begin(9600);
}
void loop() {
value = digitalRead(pirdata);
if (value == HIGH) {
digitalWrite(led, HIGH);
if (pirstate == LOW) {
Serial.println("Motion detected!");
pirstate = HIGH;
}
} else {
digitalWrite(led, LOW);
if (pirstate == HIGH) {

Serial.println("Motion ended!");
pirstate = LOW;
}
}
}