#define LDR_PIN 26
#define PIR_PIN 16
#define LED_PIN 15

int lightThreshold = 2000; // подбирай (0–4095)

void setup() {
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  int lightValue = analogRead(LDR_PIN);
  int motion = digitalRead(PIR_PIN);

  Serial.print("Light: ");
  Serial.print(lightValue);
  Serial.print(" | Motion: ");
  Serial.println(motion);

  if (lightValue < lightThreshold && motion == HIGH) {
    digitalWrite(LED_PIN, HIGH);
  } else {
    digitalWrite(LED_PIN, LOW);
  }

  delay(200);
}