Case study

Thermal Master P3: a browser client for the vendor USB protocol

A browser viewer for the Thermal Master P3, which speaks a vendor USB protocol over vendor USB control transfers. tests/test_webusb.mjs compares built commands with captured 18-byte transfers, including read_name, and parses a captured status buffer.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-03

Stars: 1
Last commit: 2026-08-16
Language: JavaScript
License (GitHub): Apache-2.0

GitHub data as of 2026-11-09

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Requirements & limits

Scope: The browser viewer targets Thermal Master P3 USB ID 3474:45a2 and 256 × 192 frames. The README reports P1 as untested.
Testing evidence: Captured 18-byte vendor-control commands and a 192-byte status buffer are checked in tests/test_webusb.mjs.
License: License: Apache-2.0.

Cite

BibTeX

@misc{thermal-master-p3-protocol-case,
  title = {{Thermal Master P3: a browser client for the vendor USB protocol}},
  howpublished = {\url{https://github.com/ferrolho/thermal-master-viewer}},
  url = {https://github.com/ferrolho/thermal-master-viewer},
  urldate = {2026-11-03},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/thermal-master-p3-protocol-case/}}
}

Plain text

Thermal Master P3: a browser client for the vendor USB protocol. https://github.com/ferrolho/thermal-master-viewer (accessed 2026-11-03). Awesome REA entry: https://awesomerea.org/resources/thermal-master-p3-protocol-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · ferrolho/thermal-master-viewer · Revision 39024dd
tests/test_webusb.mjs GitHub · ferrolho/thermal-master-viewer · Revision 39024dd
LICENSE GitHub · ferrolho/thermal-master-viewer · Revision 39024dd