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Continue to ChatESP32 Arduino: Alarm with PIR motion sensor and buzzer https://techtutorialsx.com/2018/07/08/esp32-arduino-alarm-with-pir-motion-sensor-and-buzzer/
ESP32 Arduino: Alarm with PIR motion sensor and buzzer https://techtutorialsx.com/2018/07/08/esp32-arduino-alarm-with-pir-motion-sensor-and-buzzer/