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สอนใช้งาน ESP8266 PIR Sensor HC-SR501 ตรวจจับความเคลื่อนไหวสิ่งมีชีวิต ควบคุม เปิดปิดไฟ LED - ขาย Arduino อุปกรณ์ Arduino คุณภาพดี ราคาถูก ส่งไว ส่งฟรี
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