Case study

Minitela do Positivo Vision R15M: AHMI display protocol and ACF format

Minitela do Positivo Vision R15M implements Linux tools for the laptop’s 240×240 secondary display. The project documents its AHMI serial frames and ACF texture container using vendor-app captures, synthetic-image output comparisons, and analysis of the Windows texture compiler. Python tools send images, change pages and brightness, update display tags, and inspect the protocol.

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: 3
Last commit: 2026-08-24
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 Positivo Vision R15M with its minitela package is required.
Prerequisites: Image building requires ffmpeg and Wine; other controls are native Python.
Limits: Writing an ACF that the firmware cannot render can freeze the display until recovery.
License: MIT license.

Cite

BibTeX

@misc{minitela-r15-case,
  title = {{Minitela do Positivo Vision R15M: AHMI display protocol and ACF format}},
  howpublished = {\url{https://github.com/caio-imperial/minitela-r15}},
  url = {https://github.com/caio-imperial/minitela-r15},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/minitela-r15-case/}}
}

Plain text

Minitela do Positivo Vision R15M: AHMI display protocol and ACF format. https://github.com/caio-imperial/minitela-r15 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/minitela-r15-case/

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Primary sources

README.md GitHub · caio-imperial/minitela-r15 · Revision f95277c
RE-acf.md GitHub · caio-imperial/minitela-r15 · Revision f95277c