Greenhouse Monitoring
Solutions for greenhouse monitoring to track temperature, humidity, and light in greenhouses, high tunnels, and grow rooms, zone by zone.
Govee H5075 Bluetooth Thermo-Hygrometer
The everyday Govee puck: temperature and humidity from one palm-size battery sensor. Measures to about ±0.3 °C and ±3 % RH, broadcasts a fresh reading every few seconds, and runs about a year on its batteries. Hang one at canopy height in the zone you care about; a single listening board hears every puck in range.
On the bench

MLX90614 Infrared Thermometer Coming
A no-contact infrared eye pointed at the canopy. A plant runs warmer than the air as it runs short of water, and this sensor reads that gap without touching a leaf: canopy temperature, air temperature, and the difference between them, the raw ingredient of the Crop Water Stress Index.

Apogee SQ-521 Quantum Sensor Coming
A research-grade quantum sensor that measures PAR (photosynthetically active radiation), the light a plant can actually use, in micromoles per square meter per second. Speaks SDI-12, the open bus on professional instruments, and lands its readings in a record you own instead of a proprietary datalogger.