Case study

NiimBridge: reconstructing the NIIMBOT D110_M print protocol

NiimBridge reconstructs the NIIMBOT D110_M printer's Bluetooth print exchange from HCI captures of the vendor Android app. Its Kotlin driver implements packet framing, checksums, row encoding, transport, and print-state handling; a separate SDK and diagnostic app expose printing and packet inspection. The author reports byte-identical packet comparisons for two captured jobs.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 2
Last commit: 2026-09-15
Language: Kotlin
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Download and demo observed; the case covers part of the target software.
Scope: Partial
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Android Studio, JDK 17, and a NIIMBOT D110_M paired with the test device are required.
Prerequisites: The primary Bluetooth Classic SPP transport requires the printer to be bonded in Android settings.
License: MIT license.

Cite

BibTeX

@misc{niimbridge-d110m-case,
  title = {{NiimBridge: reconstructing the NIIMBOT D110\_M print protocol}},
  howpublished = {\url{https://github.com/KunalBhargava182/OpenNiimbot-NiimBridge}},
  url = {https://github.com/KunalBhargava182/OpenNiimbot-NiimBridge},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/niimbridge-d110m-case/}}
}

Plain text

NiimBridge: reconstructing the NIIMBOT D110_M print protocol. https://github.com/KunalBhargava182/OpenNiimbot-NiimBridge (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/niimbridge-d110m-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · KunalBhargava182/OpenNiimbot-NiimBridge · Revision ee1de75
docs/PROTOCOL.md GitHub · KunalBhargava182/OpenNiimbot-NiimBridge · Revision ee1de75