Case study

KW330 OBD Data Access: reconstructing the scanner's USB data stream

KW330 OBD Data Access reconstructs how the KONNWEI KW330 handheld scanner exposes live OBD data through its USB CDC serial port. Python scripts find the port, capture the Print Data Stream output, and parse its Latin-1 label-and-value lines into time-series JSON keyed by engine-running time.

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: 0
Last commit: 2026-06-19
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A KONNWEI KW330 with a USB data cable and suitable USB power or hub.
Prerequisites: Python 3 and pyserial are used by the capture scripts.
Testing evidence: The author reports end-to-end testing on macOS; other models and the listed Linux and Windows paths have narrower evidence.
License: MIT License.

Cite

BibTeX

@misc{kw330-obd-datastream-case,
  title = {{KW330 OBD Data Access: reconstructing the scanner's USB data stream}},
  howpublished = {\url{https://github.com/RedesignedRobot/kw330-obd-datastream}},
  url = {https://github.com/RedesignedRobot/kw330-obd-datastream},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/kw330-obd-datastream-case/}}
}

Plain text

KW330 OBD Data Access: reconstructing the scanner's USB data stream. https://github.com/RedesignedRobot/kw330-obd-datastream (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/kw330-obd-datastream-case/

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About this entry

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Primary sources

README.md GitHub · RedesignedRobot/kw330-obd-datastream · Revision 0db5ab1
docs/how-it-works.md GitHub · RedesignedRobot/kw330-obd-datastream · Revision 0db5ab1