If you want to connect your SODAQ ONE to The Things Network follow this tutorial.
Make an account on TTN, follow the steps on:
Login and Go to the dashboard
The application name is only for you. For example: SODAQ ONE Trackers
Disconnect any power source connected to the SODAQ ONE.
Connect it to your pc over usb.
Open a serial monitor within 30 seconds.
If you don’t see any data within 2 seconds, press Enter.
Type the command: “EUI” and press Enter
Copy the DevEUI to the website, and press Register.
Copy the App EUI and App key to the SODAQ one.
And change OTAA to 1 (otaa=1)
Your device is now sending data to the Things Network
To learn more how to get the data from The Things Network: