Hardware / Soil / bag node
SOLBeta
Soil / bag node
Moisture and bag temperature, so watering is on time.
Measures substrate moisture and up to four bag or bed temperatures — useful for mushroom bags, grow beds and pots.
Commercial (Hub)
Measures
What it reads
Soil / substrate moisture
%Bag temperature
°Cup to 4 probes
Inside
Main parts
- ESP32 WROOM
- Capacitive moisture sensor
- Up to 4 × DS18B20 probes
- RS-485 transceiver
Specs
Details
- Link
- RS-485 Modbus RTU, 115200 8N1, to the Hub
- Power
- 12 V from the bus
Set up
In the app
- Open the Hub in the app
- Tap Add node
- Plug the node into the bus — the Hub finds it
- Name it and pick where it sits
Calibration
Guided in the app
- Moisture two-point (dry + wet)
DIY
Build it yourself
Use a standard ESP32 board and install Kinokora firmware from your browser.
| Board | Pins | Firmware | |
|---|---|---|---|
| ESP32 WROOM DevKit | — | sensor_node_soil | Install → |
Compliance
Certificates
- WPC ETA / BIS
- Will be listed here before sale
Try the Soil / bag node early
Write to support@kinokora.com with “notify:hardware/soil” in the subject.
Works with