1. Login in to the app. If you not have an account yet, create a new account in the platform.
2. Create a field as described in this guide for the app or this guide for the platform.
3. Navigate to “fields” and click on the “+” button in the right corner.
3. Select “activate sensor”.
![How to activate a sensor? 1 WhatsApp Image 2023 04 13 at 3.28.43 PM](https://www.farm21.com/wp-content/uploads/2023/04/WhatsApp-Image-2023-04-13-at-3.28.43-PM-461x1024.jpeg)
4. Scan the QR code on the sensor.
5. A new window will open. Enter the sensor name and select the desired field. Click on next.
![How to activate a sensor? 2 WhatsApp Image 2023 04 13 at 3.28.39 PM](https://www.farm21.com/wp-content/uploads/2023/04/WhatsApp-Image-2023-04-13-at-3.28.39-PM-461x1024.jpeg)
6. Click on “set to your location” or enter the coordinates to set the location of the sensor.
![How to activate a sensor? 3 activate sensor blurred](https://www.farm21.com/wp-content/uploads/2023/06/activate-sensor-blurred.jpeg)
7. Click on “save”. Great, your sensor is now activated.