{
  "added_at": "2026-11-06",
  "additional_evidence_urls": [
    "https://github.com/niazlv/nrf52-eink-price-tag/blob/ac789f2f103a1d9da4054076496d0921379e5a0b/LICENSE"
  ],
  "category": "reconstruction-cases",
  "description_en": "nRF52 e-paper tag reconstructs control of an undocumented electronic shelf label with an nRF52832 board and SSD1675A-class panel. The repository records the pinout, 9-bit SPI connection, waveform-table layout and refresh behavior, and provides replacement Zephyr firmware plus a portable C99 display driver.",
  "description_zh": "nRF52 e-paper tag 重建采用 nRF52832 电路板和 SSD1675A 类面板的无文档电子价签控制方式。仓库记录引脚、9 位 SPI 连接、波形表结构及刷新行为，并提供替代 Zephyr 固件和可移植的 C99 显示驱动。",
  "entry_url": "https://awesomerea.org/resources/nrf52-eink-price-tag-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/nrf52-eink-price-tag-case/",
  "evidence_url": "https://github.com/niazlv/nrf52-eink-price-tag/blob/ac789f2f103a1d9da4054076496d0921379e5a0b/README.md",
  "group": "cases",
  "id": "nrf52-eink-price-tag-case",
  "json_url": "https://awesomerea.org/resources/nrf52-eink-price-tag-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/nrf52-eink-price-tag-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/nrf52-eink-price-tag-case/index.md",
  "name": "nRF52 e-paper tag: reconstructing an undocumented display interface",
  "name_zh": "nRF52 e-paper tag：重建无文档电子纸显示接口",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "license"
  ],
  "requirements": [
    "The documented hardware uses an nRF52832, HINK-E029A10-A3 panel and ESL.CB-LR.010-00C.203 board.",
    "The first installation requires SWD programming; building requires nRF Connect SDK v3.0.1.",
    "MIT license."
  ],
  "requirements_zh": [
    "文档对应的硬件采用 nRF52832、HINK-E029A10-A3 面板和 ESL.CB-LR.010-00C.203 电路板。",
    "首次安装需要通过 SWD 烧录；构建需要 nRF Connect SDK v3.0.1。",
    "采用 MIT 许可证。"
  ],
  "targets": [
    "firmware",
    "protocol"
  ],
  "url": "https://github.com/niazlv/nrf52-eink-price-tag",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}