Arduino
We use temperature sensor(DS18B20)�BpH meter and CO2 sensor(MG811) to monitor our
device. Besides, we use LCD to print datum and use Wi-Fi sensor(ESP8266) to upload
our records to database as well.
Arduino Code
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Database
In order to save data from our device, we set up a database in Firebase, including
carbon dioxide concentration, pH value and temperature obtained by sensors in our
device.
App
To make our device more user-friendly, we designed an app to get data from our
database. The manager of the factory can easily see the data immediately. Besides,
we set up a notification system. As long as users connect their smart phone to the
internet, they can immediately get the warning notification from the device if the
data goes wrong.
