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Tag: Ultrasonic Sensor

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EESP32-CAM

ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify

ESP32-CAM using Blynk and Ultrasonic Sensor HC-SR04. When Ultrasonic sensor detected motion. ESP32-CA

thumbnail ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify
AARDUINO

Getting Started with Ultrasonic Sensor HC-SR04 (Arduino IDE)

Ultrasonic Sensor HC-SR04 Pins: VCC : +5VDCTrig : Trigger (INPUT) – Pin 7Echo : Echo (OUTPUT) &