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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
2nd - I used https://io.adafruit.com/ to monitor the system. My goal was not to alert me via text/email but rather to allow me to see the door's position and send a command to open/close the door via the app.
NOTE:
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