Case study

pocket_polar: WOOSIM PORTI-SM40 printer commands

pocket_polar investigates command bytes for a WOOSIM PORTI-SM40 Bluetooth receipt printer. Python scripts pack style, alignment and image commands and write them to a Bluetooth serial device; the image path is marked unfinished.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C3 notes only

Stars: 0
Last commit: 2018-06-16
Language: Python

GitHub data as of 2026-11-10

Copy as Markdown View JSON Cite

Evidence

Observed: Code observed; no usable documentation found.
Scope: Notes
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: The scripts address a WOOSIM PORTI-SM40 printer through a Bluetooth serial device path.
Prerequisites: The README lists Python 3.6 for binary packing; the image script imports wand.
Limits: Image printing is marked as not working.
License: No licence file in the repository.

Cite

BibTeX

@misc{pocket-polar-case,
  title = {{pocket\_polar: WOOSIM PORTI-SM40 printer commands}},
  howpublished = {\url{https://github.com/jongwony/pocket_polar}},
  url = {https://github.com/jongwony/pocket_polar},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/pocket-polar-case/}}
}

Plain text

pocket_polar: WOOSIM PORTI-SM40 printer commands. https://github.com/jongwony/pocket_polar (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/pocket-polar-case/

Useful? Star Awesome REA on GitHub2.4k

About this entry

The description was reviewed against primary sources.

Report an outdated entry Suggest a translation fix

Primary sources

print_text.py GitHub · jongwony/pocket_polar · Revision cd65eac
README.md GitHub · jongwony/pocket_polar · Revision cd65eac
print_image.py GitHub · jongwony/pocket_polar · Revision cd65eac