1. ESP8266 Learnings

    • reducing voltage with resistors can interfere with the PULLUP of your GPIO -> don't pullup
    • a 1€ USB powerplug is crap. you get a lot of interference on your analog signal (i.e. PPD42NS)
    • always cross-check with an oscilloscope. you may be surprised how bad your sensor signal is.
  2. Around the Bodensee by bike

    With a small group I cycled from Konstanz to Konstanz via Bodman, Überlingen, Friedrichshafen, Lindau, Bregenz (AT), Rohrschach (CH) and Kreuzlingen (CH). We started on a Wednesday an 11:30 in Konstanz after arriving by train, stayed the first night on the Camping site Camping Birnau-Maurach near Uhldingen-Mühlhofen and the ...

    Tagged as : quantified-self bike
  3. Moving this blog to Pelican

    After using Flask-rst for a few years I wanted to switch to something really static, with plugins and themes.

    The migration was a bit annoying because I needed to change the meta information in every blogpost. But the plugins and tools are worth it.

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