The world's first affordable smart farming sensor

Affordable field sensor to deploy at any scale

Measures six different values
Most affordable on the market (€89)
Reliable and highly accurate
Sends data every hour wirelessly
Easy to install for anyone
Lasts a full year on replaceable battery
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Spec sheet
Six sensors, one device

Measures important soil and microclimate data with one device

  • Highly accurate soil moisture sensors at 0-10cm, 10-20cm and 20-30cm depth.
  • Air temperature and air humidity below the crop canopy for reliable disease pressure monitoring
  • Top layer soil temperature at 10 cm deep.
  • Low energy usage. Operates over a year on a simple replaceable battery.
  • Wireless data transmission with LoRA.

Easy installation

  • 1. Create account
    Go to and create an account.
  • 2. Scan QR code
    Scan the QR code on the back ofthe sensor and install the battery by removing the screw cap.
  • 3. Install sensor
    Use our the Farm21 metal pin to prepare the soil for sensor insertion. The sensor now starts sending it's data to the Farm21 platform.
The power of a high density sensor network

A network for the best insights

The Farm21 sensor network gives you the best control over your farm. Make the best decisions possible.
Learn more
Watch the demo

Sander Dekker explains

Learn from one of our partners how our sensor and platform work, and what the benefits of working with Farm21 are.
Partner up with a crop consultant and share your data for remote support

Make the most of Farm21 by working together with our trusted crop consultants and dealers

Check partner network

Grow more

Smart precision farming has never been so accessible. Buy our starter pack to start right away.
“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