Amateur Radio Service



...even more hobbies! :)

  • LoRa Chirp!

    LoRa Chirp!

    An easily available sensor for plant irrigation that has been retrofitted with a LoRaWAN transmitter.

  • LoRa Cat!

    LoRa Cat!

    A LoRaWAN GPS cat tracker with a diameter of only 30 mm and a battery life of several weeks.

  • Apple II

    Retrocomputing

    Documentation of old expansion cards from the 1980s and creation of CAD files for reproduktion.

  • Proditor

    Proditor

    Open-source two-factor HOTP authentication (2FA) stick with a matching programmer.

  • CQ