From ESP32 sensor to browser dashboard.
A practical route for greenhouse, room-air and aquarium projects using Arduino-compatible libraries.
temperaturehumidityco201 · Read
Sample the sensor at the interval the project actually needs.
02 · Encode
Build one small JSON object with stable metric names and value types.
03 · Publish
Use MQTT/TLS with reconnect backoff, then watch the workbench populate.