Building an IoT App with InfluxDB, Python, Flask And Plotly
summary
Builds a plant-monitoring app that streams four sensors (temperature, humidity, light, soil moisture and soil temperature) from a Particle Boron microcontroller into an open‑source InfluxDB instance using the Telegraph exec plugin running serial_read_telegraph.py to emit JSON line protocol, writes points with the InfluxDB v2 Python client, downsamples at the edge and replicates via an Edge→Cloud replication stream (disk‑backed dispatch queue) to cloud IOx, then serves selectable graphs with Flask + Plotly and Pandas-ready query output.
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chapters (9)
- 0:00Intro
- 0:38The Overview
- 4:38Telegraf for Ingestion
- 12:41Connecting to the microcontroller
- 18:17Table example of the resulting data points
- 21:00Flux Query
- 21:55The future of InfluxDB Cloud and in the future Open Source
- 26:26Query data from Influx
- 27:56Graph the Data
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