We also used a buzzer and an ESP8266 shield for communication. The code can work on arduino UNO if we omit the gas sensor ( the code for uno is available as well) The system uses PubNub to ...
NOTE: Not all collection methods are supported on MySQL/MariaDB < 5.6 NOTE: It is recommended to set a max connection limit for the user to avoid overloading the server with monitoring scrapes under ...
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