{
 "id": "ac-samesky-amt21",
 "name": "Same Sky (CUI) AMT21 Absolute Modular Encoder (RS-485)",
 "subcategory": "joint-encoders",
 "brand": "Same Sky (formerly CUI Devices)",
 "mpn": "AMT21 series (e.g., AMT212A-F1-54-2000-S)",
 "summary": "28 mm capacitive absolute encoder, 12- or 14-bit, single- or multi-turn, RS-485; drop-in absolute upgrade for AMT10-class mounts.",
 "maker": {
  "name": "Same Sky (formerly CUI Devices)",
  "country": "US",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "resolution_bits": {
   "label": "Resolution",
   "value": "12-bit or 14-bit",
   "num": 14,
   "unit": "bit"
  },
  "interface": {
   "label": "Interface",
   "value": "RS-485",
   "num": null
  },
  "type": {
   "label": "Type",
   "value": "Absolute, capacitive, modular; single- or multi-turn",
   "num": null
  }
 },
 "price": [],
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": ""
 },
 "links": {
  "product": "https://www.sameskydevices.com/product/motion-and-control/rotary-encoders/absolute/modular/amt21-series",
  "datasheet": "https://www.sameskydevices.com/product/resource/amt21.pdf",
  "cad": null
 },
 "equivalents": [
  "ac-samesky-amt102-v",
  "ac-ams-as5047p-ts-ek-ab",
  "ac-odrive-enc-oa1"
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 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "https://www.sameskydevices.com/product/motion-and-control/rotary-encoders/absolute/modular/amt21-series",
   "what": "resolution, interface, datasheet"
  }
 ],
 "confidence": "VERIFIED",
 "category": "actuators",
 "subcategory_title": "Joint Encoders",
 "icon": "encoder",
 "image": {
  "url": "https://parts.trymaglev.com/img/ac-samesky-amt21.webp",
  "thumb": "https://parts.trymaglev.com/img/t/ac-samesky-amt21.webp",
  "source_image": "https://www.sameskydevices.com/products/image/getproductimage/259135?typecode=m",
  "source_page": "https://www.sameskydevices.com/product/motion-and-control/rotary-encoders/absolute/modular/amt21-series",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-29"
 },
 "origin": {
  "code": "US",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "9031.80.80.85",
  "typical": true,
  "key": "encoders",
  "basis": "subcategory",
  "confidence": "low",
  "note": "Resolvers/RVDTs: 8543.70.45 (CBP N360060). Encoder ICs sold alone go to 8542."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 37.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/ac-samesky-amt21/",
 "markdown": "https://parts.trymaglev.com/p/ac-samesky-amt21/index.md",
 "equivalents_detail": [
  {
   "id": "ac-samesky-amt102-v",
   "name": "Same Sky (CUI) AMT102-V Capacitive Incremental Encoder",
   "brand": "Same Sky (formerly CUI Devices)",
   "mpn": "AMT102-V",
   "category": "actuators",
   "subcategory": "joint-encoders",
   "summary": "DIP-switch-programmable capacitive incremental encoder (48-2048 PPR) that clips onto a motor shaft; standard for hobby BLDC/FOC builds.",
   "origin": "US",
   "origin_basis": "hq",
   "price_usd": 36.29,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-samesky-amt102-v.webp",
   "url": "https://parts.trymaglev.com/p/ac-samesky-amt102-v/",
   "json": "https://parts.trymaglev.com/api/parts/ac-samesky-amt102-v.json"
  },
  {
   "id": "ac-ams-as5047p-ts-ek-ab",
   "name": "ams OSRAM AS5047P Adapter Board",
   "brand": "ams OSRAM",
   "mpn": "AS5047P-TS_EK_AB",
   "category": "actuators",
   "subcategory": "joint-encoders",
   "summary": "Breakout for the AS5047P on-axis magnetic encoder IC, the common motor-side encoder in open-source FOC drivers (ODrive/moteus-class).",
   "origin": "AT",
   "origin_basis": "hq",
   "price_usd": 19.4,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-ams-as5047p-ts-ek-ab.webp",
   "url": "https://parts.trymaglev.com/p/ac-ams-as5047p-ts-ek-ab/",
   "json": "https://parts.trymaglev.com/api/parts/ac-ams-as5047p-ts-ek-ab.json"
  },
  {
   "id": "ac-odrive-enc-oa1",
   "name": "ODrive Encoder OA1 On-Axis Magnetic Encoder, RS485",
   "brand": "ODrive Robotics",
   "mpn": "ENC-OA1",
   "category": "actuators",
   "subcategory": "joint-encoders",
   "summary": "Cased on-axis magnetic encoder (MA702) with RS-485 and thermistor pass-through for ODrive Pro/S1, for long or noisy cable runs.",
   "origin": "US",
   "origin_basis": "hq",
   "price_usd": 39,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-odrive-enc-oa1.webp",
   "url": "https://parts.trymaglev.com/p/ac-odrive-enc-oa1/",
   "json": "https://parts.trymaglev.com/api/parts/ac-odrive-enc-oa1.json"
  }
 ],
 "pairs_with_detail": []
}