I created a meta statistics website for the League-of-Legends-like game Vainglory.

The Raspberry Pi is capable of running the NoSQL database Elasticsearch.

Elasticsearch is a NoSQL database optimized for searching.

To be able to visualize my laptop’s sound output with a python script, I needed an extra audio input that made it possible to capture the system’s audio output.

After a failed attempt, I succeeded in building a wireless analog LED strip controller.

NixOS, “The purely functional Linux distribution”, takes a very innovative approach to system configuration. In classical distributions, configuration files are scattered around /etc with a different syntax each, and once you built your dream server configuration, you are afraid of forgetting something by starting over. NixOS solves this by a configuration.nix file that defines your complete system. Using this config, it is possible to manage a machine easily: You define the packages you need, the system services to start, or the user accounts to exist declaratively.

With Arduinos, 5050 RGB LED strips, Hyperion and MPD on a Raspberry Pi I created a low cost party lightning environment.

My cheat sheet for deploying multiple Arch Linux machines, Raspberry Pis here. Installs pacserve, rngd and yaourt in a btrfs subvolume root. To allow local users to poweroff, polkit is also installed. Filesystem setup See also the Archlinux ARM guide. Change sdx to sdb/sdc/… sudo fdisk /dev/sdx sudo mkfs.btrfs /dev/sdx2 sudo mkfs.vfat /dev/sdx1 mkdir -p tmp/{r,b}oot cd tmp sudo mount /dev/sdx2 root sudo btrfs subvolume create root/root sudo umount root Copying the files Use ArchLinuxARM-rpi-2-latest.

Some long time ago, I bought some cheap Arduino LilyPad clones from Amazon. I spent weeks trying to get them work, but was heavily frustrated. No matter what I did, avrdude refused to upload my sketch:

With some support from a friend with a 3D printer, I successfully built a magnetic car with working turning lights.

It’s christmas time! As a kind of pre-christmas gift, I built an Internet of Things enabled snowman for one of my best friends.

Friendship is magic! I like the My Little Pony series, and two of my best friends, knowing that, surprised me with self-made versions of Twilight and Fluttershy at my birthday.

Using this guide I successfully turned my Raspberry Pi with an Edimax WiFi dongle into a WiFi hotspot. Here’s how:

I could mod my Kindle so I can now use it as screen for the Raspberry Pi.