Greenhouse monitor · ESP32 sensor node

Live readings, alerts and automatic watering for one greenhouse, from one small board.

ESP32-S3 · Greenhouse A Online Last reading: just now Wi-Fi -58 dBm · Firmware 0.3.1 · Reading every 1.5 s

Controls and rules

Water pump

Vent fanTurns on automatically above the max temperature

Off

Water when soil moisture is belowPump stops 15 points above this

Max temperatureAlert and fan above this

°C

Try a scenario

In a real build, the ESP32 reads the sensors and sends a small JSON message over Wi-Fi (MQTT or HTTPS) every few seconds. The dashboard, rules and alerts work exactly like this, plus phone or email notifications. See the ESP32 development guide.

Event log

Newest first

This is a deliberately simplified sample: one device, four sensors, two automatic rules and an alert log. A real demo is built around your own workflow and data, and usually goes well beyond this. Hardware timing depends on boards and sensors. Get a free assessment →