{
  "added_at": "2026-11-08",
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Clockwise Calipers Data Interface reconstructs the DTCR-02 data cable for Clockwise Tools DCLR-XX05 calipers. An Arduino reads the caliper's synchronous 24-bit measurements and presents them as USB keyboard input; the repository includes packet notes, firmware, KiCad designs and case models.",
  "description_zh": "Clockwise Calipers Data Interface 重制适用于 Clockwise Tools DCLR-XX05 卡尺的 DTCR-02 数据线。Arduino 读取同步传输的 24 位测量值，并作为 USB 键盘输入发送；仓库还提供数据包说明、固件、KiCad 电路设计和外壳模型。",
  "entry_url": "https://awesomerea.org/resources/clockwise-calipers-data-interface-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/clockwise-calipers-data-interface-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/dthomas1202/clockwise-calipers-data-interface/blob/7ac10a2165699b952a6ad3b0f7e47b437e61a958/README.md",
  "group": "cases",
  "id": "clockwise-calipers-data-interface-case",
  "json_url": "https://awesomerea.org/resources/clockwise-calipers-data-interface-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/clockwise-calipers-data-interface-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/clockwise-calipers-data-interface-case/index.md",
  "name": "Clockwise Calipers Data Interface: reconstructing the DTCR-02 cable",
  "name_zh": "Clockwise Calipers Data Interface：重制 DTCR-02 数据线",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "testing",
    "license"
  ],
  "requirements": [
    "Clockwise Tools DCLR-XX05 calipers and an Arduino capable of USB keyboard emulation are needed; native USB support or an alternative such as HoodLoader2 can provide that capability.",
    "The caliper data pins operate at 1.5 V and the README limits total current draw from them to about 0.3 mA.",
    "Android device compatibility is described as untested.",
    "GPL-3.0 license."
  ],
  "requirements_zh": [
    "需要 Clockwise Tools DCLR-XX05 卡尺，以及能够模拟 USB 键盘的 Arduino；可使用支持原生 USB 的型号，或采用 HoodLoader2 等替代方案。",
    "卡尺数据引脚工作在 1.5 V；文档要求从这些引脚取得的总电流约不超过 0.3 mA。",
    "作者表示尚未测试 Android 设备兼容性。",
    "采用 GPL-3.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/dthomas1202/clockwise-calipers-data-interface",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}