Affordable fine-grained field data collection

The Farm21
field sensor

The most affordable professional sensor in the market for just 79 euro's.

Create a high density network of Farm21 sensors to increase the level of your insights.
Order sensors
How many do I need?
Six sensors, one device

Measures important soil and
micro climate data with one device

  • Highly accurate soil moisture sensors measure soil moisture at 0-10cm, 10-20cm and 20-30cm depth.
  • Sensors at crop level measure air temperature and air humidity
  • Soil temperature is measured in the top layer at 10 cm deep.
  • Low energy usage.
  • Wireless data transmission with LoRA.

Easy installation

  • 1. Purchase sensors and gateway
    Purchase any amount of sensors by filling in our order form. Head over here to start.
  • 2. Create an account
    Go to and create an account.
  • 3. Connect sensors to your account
    Install the gateway, scan the QR code on the sensor and fill in the details. Thats it!

1h updates

Sends data every hour for realtime insights. Always know whats happening in your field.

Big battery

The battery will last you up to one year.


Place an unlimited number of sensors. Filter field specific data on the platform.

Grow more

Our starter pack comes with 10 sensors. Smart precision farming has never been so accessible.
“Farm21 helps us give our farmers better advice, save on costs and improve yields. It makes our services more scalable and growers love the insights.”
Sander Dekker
Crop consultant precision farming