Björn Friedrichs

That's me




Discovering Types of Smartphone Usage Sessions from User-App InteractionsIn this paper, we examine how embedding physical user-app activity (e.g., taps and scrolls) can provide a rich basis for summarising device usage. Using a large dataset of 82,758,449 interaction events from 86 users over an 8-week period we combine feature embedding and unsupervised learning to extract prominent interactions within clusters of smartphone usage sessions.


Nintendo Switch - GBA Emulator

On GitHubUtilising the restricted Nintendo Switch browser to capture input and receive streamed emulator data from a remote Python server.

Big Brain Sudokus

On the App StoreA Sudoku application written in React Native and managed via Expo. The free and shareable Sudokus are available in 9 difficulties.

This website

On GitHubA custom built website using React + aiohttp. Includes server side rendering, a ProseMirror powered WYSIWYG editor and built-to-fit simple analytics.

Infrared sound remote

On GitHubProblem: Speakers that connect to a TV with a proprietary remote control. Solution: A infrared transceiver and a RPi + a local web server.

And much more...

There is a lot of testing, prodding and half-finished bits. Feel free to visit my GitHub profile to see them.
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