[Requires a STABILO DigiPen] The DigiPen Development Kit targets universities, research institutes, schools and all programmers interested in exploring the potential of a sensor-equipped pen with their own algorithms and use-cases. You can dive into the source code of this app over at https://stabilodigital.com/digipen-development-kit/. There, you will find documentation and tutorials on how to connect the pen to your own app and stream the sensor data.