Ultrasonic sensor with NodeMCU | Cayenne | MQTT | IOT example # 3

Опубликовано: 15 Август 2018
на канале: Techs & Crafts

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#Iot #techideas #hacks This video describe how to interface ultrasonic sensor HC-SR04 with nodeMCU.

IOT example # 3 for ultrasonic sensor based water level measurement with cayenne server (MQTT)

Source Code : https://drive.google.com/open?id=1t5q...

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