The Ultrasonic sensor detects the person and make ALARM to all the Doctors and security persons on the hospital Through the SMS and CALL . So the escaping of the persons can be prevented by this system,and also we make the live monitoring of air conditions on the covid -19 wards and these data are shown live by the android application with the Matlab analysis.
I got an errors for connecting esp-32 and cloud server thingspeak but after i solved them ,and i facing a problem on building my application by using the matlab analysis.
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