{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/Krastanov/ht-203u-linux/blob/7d9eebabf0a04d6171c5b89ca4f26b3577bdadb6/THERMOMETRY.md",
    "https://github.com/Krastanov/ht-203u-linux/blob/7d9eebabf0a04d6171c5b89ca4f26b3577bdadb6/thermometry/sdk-reverse-notes.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "HT-203U Linux tools reconstruct video and temperature capture for the HT-203U USB thermal camera. Protocol notes document its UVC frame layout, USB control sequence and calibrated mode 8 temperature encoding; the supplied scripts display live video, read summaries and save per-pixel temperature frames.",
  "description_zh": "HT-203U Linux 工具重建了 HT-203U USB 热像仪的视频与温度采集流程。协议笔记记录其 UVC 帧布局、USB 控制顺序和模式 8 校准温度编码；配套脚本可显示实时画面、读取温度摘要并保存逐像素温度帧。",
  "entry_url": "https://awesomerea.org/resources/ht-203u-linux-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/ht-203u-linux-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/Krastanov/ht-203u-linux/blob/7d9eebabf0a04d6171c5b89ca4f26b3577bdadb6/README.md",
  "group": "cases",
  "id": "ht-203u-linux-case",
  "json_url": "https://awesomerea.org/resources/ht-203u-linux-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/ht-203u-linux-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/ht-203u-linux-case/index.md",
  "name": "HT-203U: reconstructing thermal camera capture on Linux",
  "name_zh": "HT-203U：重建 Linux 热像仪采集流程",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "testing",
    "license"
  ],
  "requirements": [
    "Python 3.11+, Linux video-device access, v4l-utils and FFmpeg with ffplay are required for live viewing.",
    "Direct USB calibrated capture requires one HT-203U, libusb, PyUSB and access to its USB node.",
    "The author reports testing one camera with firmware 4.09; temperature accuracy was not calibrated against a reference instrument.",
    "CC0-1.0 license."
  ],
  "requirements_zh": [
    "实时查看需要 Python 3.11+、Linux 视频设备访问权限、v4l-utils，以及带 ffplay 的 FFmpeg。",
    "直接通过 USB 采集校准温度需要一台 HT-203U、libusb、PyUSB 和该 USB 节点的访问权限。",
    "作者报告只在一台运行 4.09 固件的相机上测试，温度精度尚未用参考仪器校准。",
    "CC0-1.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/Krastanov/ht-203u-linux",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}