{
 "schemaVersion": 1,
 "slug": "chameleon-ultra",
 "name": "Chameleon Ultra",
 "maker": "RFID Research Group",
 "category": "rfid",
 "capabilities": [
  "lf",
  "hf",
  "ble"
 ],
 "chips": [
  "nrf52840"
 ],
 "page": "https://gadgets.sh/diy/chameleon-ultra/",
 "cataloguePage": "https://gadgets.sh/devices/chameleon-ultra/",
 "checked": "2026-09-27",
 "state": "partial",
 "stateLabel": "Partial build sources",
 "sourceType": "maker-published",
 "revision": null,
 "reproduction": {
  "status": "not-tested",
  "note": "We have not built and tested a reproduction from these files."
 },
 "hardwareLicense": null,
 "evidence": [
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   "label": "Editable schematic",
   "status": "partial",
   "fileIds": [
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   ],
   "note": "Editable circuit schematic not verified."
  },
  {
   "key": "pcb",
   "label": "Editable PCB",
   "status": "not-found",
   "fileIds": [],
   "note": "Editable PCB layout not verified."
  },
  {
   "key": "bom",
   "label": "Bill of materials",
   "status": "not-found",
   "fileIds": [],
   "note": "A complete bill of materials has not been verified; the catalogue chip list is not a BOM."
  },
  {
   "key": "gerbers",
   "label": "Fabrication files",
   "status": "present",
   "fileIds": [
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   ],
   "note": "Published source present; inspect revision and completeness before building."
  },
  {
   "key": "enclosure",
   "label": "Enclosure",
   "status": "not-found",
   "fileIds": [],
   "note": "A complete matching enclosure design has not been verified."
  },
  {
   "key": "firmware",
   "label": "Firmware source",
   "status": "not-found",
   "fileIds": [],
   "note": "Firmware source and flashing instructions need review."
  },
  {
   "key": "instructions",
   "label": "Build instructions",
   "status": "not-found",
   "fileIds": [],
   "note": "Assembly and test instructions have not been reviewed."
  }
 ],
 "missing": [
  {
   "key": "schematic",
   "note": "Editable circuit schematic not verified."
  },
  {
   "key": "pcb",
   "note": "Editable PCB layout not verified."
  },
  {
   "key": "bom",
   "note": "A complete bill of materials has not been verified; the catalogue chip list is not a BOM."
  },
  {
   "key": "enclosure",
   "note": "A complete matching enclosure design has not been verified."
  },
  {
   "key": "firmware",
   "note": "Firmware source and flashing instructions need review."
  },
  {
   "key": "instructions",
   "note": "Assembly and test instructions have not been reviewed."
  },
  {
   "key": "license",
   "note": "Hardware-specific licence scope has not been reviewed. A firmware or repository licence alone does not establish it."
  },
  {
   "key": "revision",
   "note": "Compatibility between board, enclosure and firmware revisions has not been reviewed."
  }
 ],
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   "kind": "license",
   "format": "LICENSE",
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 "repositories": [
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   "url": "https://github.com/RfidResearchGroup/ChameleonUltra",
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   "official": true,
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   "checked": "2026-09-30",
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    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/components/toolchain/cmsis/dsp/license.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/documentation/licenses.html",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/documentation/licenses.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/nano-pb/LICENSE.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/nrf_cc310/lib/license.txt",
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    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/nrf_cc310_bl/lib/license.txt",
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    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/nrf_oberon/lib/license.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/nrf_oberon/license.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/segger_rtt/license/license.txt",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external/utf_converter/LICENSE",
    "https://github.com/RfidResearchGroup/ChameleonUltra/blob/d5778cc010fb27c308b467df1376863203092daf/firmware/nrf52_sdk/external_tools/cmsisconfig/LICENSE.txt",
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   ],
   "submodules": [],
   "inventoryNote": "Design files, source-application project files, CAD libraries, docs, BOMs and firmware images; full source code is in the repository archive."
  },
  {
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   "role": "docs",
   "official": true,
   "commit": "369a74f2b7f3e44711bc964d7ac435ee27941082",
   "branch": "main",
   "checked": "2026-09-30",
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   ],
   "submodules": [],
   "inventoryNote": "Design files, source-application project files, CAD libraries, docs, BOMs and firmware images; full source code is in the repository archive."
  }
 ],
 "selection": "Catalogue-linked files and nearby design dependencies. The paths may cover multiple revisions; compatibility has not been established.",
 "reviewed": null,
 "notes": [],
 "counts": {
  "files": 5,
  "downloadable": 5,
  "pinned": 5,
  "repositories": 2
 },
 "downloads": {
  "manifest": "https://gadgets.sh/diy/chameleon-ultra/manifest.json",
  "brief": "https://gadgets.sh/diy/chameleon-ultra/build-brief.md",
  "pack": null,
  "archives": [
   {
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    "revision": "d5778cc010fb27c308b467df1376863203092daf",
    "url": "https://github.com/RfidResearchGroup/ChameleonUltra/archive/d5778cc010fb27c308b467df1376863203092daf.zip",
    "includes": "Full repository snapshot; may include other device revisions.",
    "submodules": []
   },
   {
    "repository": "https://github.com/RfidResearchGroup/ChameleonUltraDocs",
    "revision": "369a74f2b7f3e44711bc964d7ac435ee27941082",
    "url": "https://github.com/RfidResearchGroup/ChameleonUltraDocs/archive/369a74f2b7f3e44711bc964d7ac435ee27941082.zip",
    "includes": "Full repository snapshot; may include other device revisions.",
    "submodules": []
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  ]
 },
 "nextSteps": [
  "Read the source licences and revision notes; preserve upstream attribution.",
  "Download the pinned design files or repository archives and resolve external libraries, submodules and large-file pointers.",
  "Inspect the circuit, PCB, BOM, enclosure and firmware together; resolve the listed gaps before ordering parts or fabrication.",
  "Follow the upstream assembly and programming instructions. Record changes and bench-test the resulting hardware."
 ]
}