Case study

Schellenberg 21009: investigating a USB smart-home protocol

Schellenberg USB protocol research documents communication with the 21009 Magenta SmartHome dongle through its USB serial interface. The reference lists operating modes, command responses, message fields, device identifiers and commands for paired Schellenberg devices, with receive and send examples.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07

Stars: 19
Last commit: 2026-05-12

GitHub data as of 2026-11-09

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Requirements & limits

Scope: A Schellenberg 21009 Magenta SmartHome USB dongle is the documented device.
Limits: Some commands and fields remain unidentified.
License: No licence file in the repository.

Cite

BibTeX

@misc{schellenberg-qivicon-usb-case,
  title = {{Schellenberg 21009: investigating a USB smart-home protocol}},
  howpublished = {\url{https://github.com/Hypfer/schellenberg-qivicon-usb}},
  url = {https://github.com/Hypfer/schellenberg-qivicon-usb},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/schellenberg-qivicon-usb-case/}}
}

Plain text

Schellenberg 21009: investigating a USB smart-home protocol. https://github.com/Hypfer/schellenberg-qivicon-usb (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/schellenberg-qivicon-usb-case/

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Primary sources

README.md GitHub · Hypfer/schellenberg-qivicon-usb · Revision 56bcdb1