Hello I am currently using an HCSR-04 ultrasonic distance measuring device with an Arduino Nano for monitoring the water level in my swimming pool. It transmits the level to a website where I can see it from anywhere. The sensor is 10 cm above the nominal water level and it provides the current lev…

Ultrasonic distance measurement

groundFungus August 23, 2021, 7:28pm 4

Are you aware of the drawbacks of using multiple software serial instances?

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