Components
Build a Home Sensor Network With ESP32
Temperature, humidity and motion sensors that report to a dashboard.
· 3 min read
Key takeaways
- Use MQTT for lightweight messaging.
- ESPHome or Arduino both work.
- Deep sleep extends battery sensor life.
Architecture
Each ESP32 reads sensors and publishes to an MQTT broker on your network.
Dashboard
Home Assistant or Grafana visualise the data.
Scaling up
Buying boards in packs makes adding rooms cheap.
Frequently asked questions
Products mentioned in this article
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