void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}
const int pirPin = 21;
const int buzzerPin = 22;
int pirstate= 0;
void loop() 
{
Serial.begin(115200);

pinMode(pirPin, INPUT);

pinMode(buzzerPin, OUTPUT);
}

void log()
{
pirstate = digitalRead(pirPin);
Serial.println(pirstate);

if (pirstate == HIGH) {
  digitalWrite(buzzerPin, HIGH);
  }
else {

digitalWrite(buzzerPin, LOW);}

}