Case study

HT2000Lib: reconstructing an HT2000 logger's USB HID interface

HT2000Lib implements a C# client for the HT2000 CO2 logger using a USB HID interface recovered by monitoring the manufacturer's Windows application at runtime. It documents status and historical log reports; the author reports that its native Windows backend reads current sensor state and dumps stored measurements.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 5
Last commit: 2025-05-20
Language: C#
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: An HT2000 USB CO2 logger.
Limits: The author reports that the working native implementation requires Windows; the Device.NET and LibUsb manager variants did not work in the author's tests.
Limits: The logging interval cannot currently be read from the device.
License: MIT license.

Cite

BibTeX

@misc{ht2000lib-case,
  title = {{HT2000Lib: reconstructing an HT2000 logger's USB HID interface}},
  howpublished = {\url{https://github.com/gsuberland/HT2000Lib}},
  url = {https://github.com/gsuberland/HT2000Lib},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/ht2000lib-case/}}
}

Plain text

HT2000Lib: reconstructing an HT2000 logger's USB HID interface. https://github.com/gsuberland/HT2000Lib (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/ht2000lib-case/

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Primary sources

README.md GitHub · gsuberland/HT2000Lib · Revision 568baa5