project-insanity.org

Drone RGB Light Painting

While staying at a party together with friends, we took the opportunity to test out my newly build LED-iluminated Quadcopter. Before that, i figured out a way to wire all that LED stuff to my drone. I drilled 4 wires (5V+,Gnd,D-in,D-out) together to connect the LED-stripe on every arm. Soldered all the wires, insolated, stripped […]

Hardware

PC Power-Switch insane

When your desktop PC randomly going off at work (sometimes a few seconds after pushing the button) or sometimes switch on spontaneously, you could mean, that it is an defect from motherboard or the power supply. You might check the motherboard for bloated capacitor and replace them. If the problem still exists after the repairing […]

Software

Nextcloud Radio app 1.0 released

Finally the complete rewrite of the Radio app is ready for it’s first release. It is now based on VueJS, has many new features, improved stability and better performance. Here’s a short overview of the new features! The image above shows a new page in the app, the “Recent” category. Every station you play will […]

Hardware

Aus dem Archiv: Elektro-Papierflieger

Eigentlich ein einfacher Hack zwischendurch, aber das Ergebnis hatte uns selber überrascht! Ein Papierflieger, ausgestattet mit Modellbau-LiPo-Zellen und zwei kleinen Lüftern wird zum autonomen Flugobjekt. Unser Modellbauexperte st hatte in der alten WG sein ganzes Know-How in den kleinen Papierflieger gesteckt. Der Testflug dauerte länger als gedacht, endete dann aber unerhofft in einem Balkon des […]

Travel

Hitch-Hikers Packing List

Packing lists come in handy when preparing a travel, especially if the trip is planed spontaneously and you wanna get going asap! Here comes the list, I’ve put together over the past years and used for a couple of inter European hikes. I like it slim and light, as you wanna be flexible and are […]

Hardware

Low-tech “mild coffee” with Aeropress

In this post, I present an Aeropress recipe that uses a “mild coffee” arabica roast (readily ground, no espresso) without the need of a scale or thermometer. Motivation Like many, often times I like to grind my coffee, use a fresh roast and engage a scale and a thermometer in the process. So all in […]

Software

Automated test on NixOS repository with Gitlab CI/CD

The NUR repository template integrates automated tests done by Travis CI to check code integrity with every GIT commit. Only if the automated build process succeeds, commited package changes are applied to the main NUR repository. For me this was the first introduction to CI/CD (continuous integration / development). In case of the NixOS user […]

Software

10 unoffical NixOS packages worth checking out

NixOS already offers a lot of standard Linux packages in their stable repository. Some packages doesn’t get merged or haven’t been submitted yet, but I don’t want to miss them after switching from ArchLinux to NixOS. So I started to create my own selfhosted NUR repository which is equivalent to the ArchLinux User Repository (AUR). […]