verzweiflung – A story about how I hacked the internet

TL;DR verzweiflung (GitHub) is a highly pragmatic solution to packet loss in China (and other places) as well as sharing bandwidth with other users altogether – though at a cost. A class based system About three years ago my employer started sending me to China, a magical place where the internet is strangely different. Besides …

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di-di-di-dah di-di-di-dah multimon-ng just learnt morse!

(Showing off the timing detection capabilities. Only the first few characters are wrongfully decoded while adjusting from 24WPM to 12WPM.) Two weeks ago I thought writing a morse (aka CW) decoder would be a fun weekend project, and so I did it. As an additional challenge I decided to only rely on integer math, which …

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Power supply failures can be pretty annoying to find

Recently one of the four drives in my HTPC kept dropping out, first it happened once every few days, then after several hours. The weird thing was that it always came back after losing the SATA link and allowed me to mount it again. I first thought it was a problem of the SATA controller …

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The power of TNT is at your disposal

TNT stands for Thumb2 Newlib Toolchain, a GCC/Newlib based toolchain project I started quite a while ago. Trying various other toolchains like CodeSourcery, summon-arm-toolchain and YAGARTO, I realized none of them really seemed to have the smallest ARM Cortex-M microcontrollers in mind; They were wasteful with RAM as well as flash memory. TNT has been …

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OS X port of the awesome gqrx SDR software [Update 07/01/2013]

A while ago I already managed to compile gqrx on OS X, but then Alexandru Csete decided to move on to a new audio backend called pulseaudio. Sadly there is no proper pulseaudio port for OS X. Thus I bring you my branch of gqrx 2.1 which runs quite well on OS X. This release …

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