Hw416b Pir Sensor Datasheet Better [1080p 2026]

void loop() // This will never run

// Configure to wake from deep sleep when PIR goes HIGH esp_sleep_enable_ext0_wakeup(PIR_PIN, 1); // 1 = HIGH level trigger hw416b pir sensor datasheet better

#include <esp_sleep.h> #define PIR_PIN GPIO_NUM_4 void loop() // This will never run //

if (motionState == HIGH && lastMotionState == LOW) Serial.println("Motion DETECTED! (Timer started)"); digitalWrite(ledPin, HIGH); // Add your action here (turn on light, send alert, etc.) hw416b pir sensor datasheet better