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Fig. 15 | EURASIP Journal on Wireless Communications and Networking

Fig. 15

From: Early warning of impending flash flood based on AIoT

Fig. 15

Sensor and microcontroller device a basic microcontroller circuit and sensor connection, b the water flow sensor. The first one is the rain gauge sensor. The rain data will be saved in a data logger, which records the time of each tip. The second part is the water flow sensor

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