{
 "slug": "m5stack-dial",
 "name": "M5Stack Dial",
 "maker": "M5Stack",
 "category": "rfid",
 "categoryLabel": "RFID & NFC",
 "status": "listed",
 "statusLabel": "Listed by maker",
 "description": "A rotary-knob ESP32-S3 device with a round touchscreen and a 13.56 MHz RFID reader.",
 "goodFor": "A knob-driven RFID and control panel you can program.",
 "youNeed": "13.56 MHz tags you own.",
 "tradeoff": "High-frequency RFID only; no low-frequency.",
 "tags": [
  "RFID 13.56 MHz",
  "Rotary encoder",
  "Touchscreen",
  "ESP32-S3"
 ],
 "price": "US$34.90",
 "priceShort": "$34.90",
 "priceFrom": null,
 "checked": "2026-09-18",
 "url": "https://gadgets.sh/devices/m5stack-dial/",
 "shortUrl": "https://gadgets.sh/m5stack-dial",
 "markdown": "https://gadgets.sh/devices/m5stack-dial.md",
 "image": "https://gadgets.sh/assets/m5stack-dial.jpg",
 "cutout": "https://gadgets.sh/assets/cutouts/m5stack-dial.webp",
 "shareCard": "https://gadgets.sh/og/m5stack-dial.jpg",
 "shops": [
  {
   "merchant": "M5Stack",
   "label": "Buy from M5Stack",
   "kind": "shop",
   "orderable": true,
   "url": "https://shop.m5stack.com/products/m5stack-dial-v1-1?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=m5stack-dial&utm_content=api",
   "note": null
  },
  {
   "merchant": "Amazon",
   "label": "Buy from Amazon",
   "kind": "shop",
   "orderable": true,
   "url": "https://www.amazon.com/dp/B0F4KGF2ZM?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=m5stack-dial&utm_content=api",
   "note": "In Stock; US$48.90 (the 'Only 14 left' claim belonged to a different seller's add-on offer, not this buy box) at Amazon (sold by M5Stack Official Store, ships from Amazon) when checked on 2026-09-24."
  }
 ],
 "specs": [
  {
   "group": "Core hardware",
   "rows": [
    {
     "label": "Processor and memory",
     "value": "ESP32-S3FN8 dual-core LX7 240 MHz · 8 MB flash",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Display",
     "value": "1.28″ round TFT touch · 240 × 240 (GC9A01, FT3267)",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Radios",
     "value": "2.4 GHz Wi-Fi · RFID WS1850S at 13.56 MHz (ISO/IEC 14443 A/B)",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Power",
     "value": "DC 6–36 V wide input, battery socket",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    }
   ]
  },
  {
   "group": "Details from the product page",
   "rows": [
    {
     "label": "Input",
     "value": "Rotary encoder, 16 positions / 64 pulses per turn",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "RFID",
     "value": "WS1850S reader, 13.56 MHz",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Feedback",
     "value": "80 dB buzzer",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Size",
     "value": "51 × 51 × 32 mm · 46 g",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    }
   ]
  },
  {
   "group": "Buying",
   "rows": [
    {
     "label": "Price",
     "value": "US$34.90 on shop.m5stack.com",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    },
    {
     "label": "Availability",
     "value": "In stock on the day of review",
     "source": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
    }
   ]
  }
 ],
 "docs": [
  {
   "label": "Maker product page",
   "url": "https://shop.m5stack.com/products/m5stack-dial-v1-1"
  },
  {
   "label": "M5Stack documentation",
   "url": "https://docs.m5stack.com/"
  }
 ],
 "blueprint": {
  "openness": "schematics",
  "opennessLabel": "Schematics published",
  "summary": "M5Stack publishes a schematic PDF and 3D case STL for Dial; no PCB source or BOM.",
  "files": [
   {
    "kind": "schematic",
    "label": "M5Dial schematic (PDF)",
    "url": "https://m5stack-doc.oss-cn-shenzhen.aliyuncs.com/499/Sch_M5Dial.pdf",
    "format": "PDF"
   },
   {
    "kind": "3d-model",
    "label": "Dial v1.1 case structure (STL)",
    "url": "https://github.com/m5stack/M5_Hardware/blob/master/Products/K130-V11_Dial_v1.1/Structures/Dial_v1.1.stl",
    "format": "STL"
   }
  ],
  "repos": [
   {
    "url": "https://github.com/m5stack/M5Dial",
    "role": "firmware",
    "official": true,
    "license": null,
    "stars": 84,
    "pushed": "2025-03-07"
   },
   {
    "url": "https://github.com/m5stack/M5_Hardware",
    "role": "hardware",
    "official": true,
    "license": "MIT",
    "stars": 330,
    "pushed": "2026-08-17"
   }
  ],
  "parts": [
   {
    "part": "ESP32-S3FN8",
    "role": "MCU (dual-core LX7 240 MHz)",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf"
   },
   {
    "part": "GC9A01",
    "role": "display driver (1.28\" round TFT)",
    "datasheet": "https://www.mouser.com/datasheet/2/1108/GC9A01A-2481900.pdf"
   },
   {
    "part": "WS1850S",
    "role": "RFID reader IC (13.56 MHz)",
    "datasheet": "https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/products/core/M5Dial/WS1850S.PDF"
   },
   {
    "part": "BM8563",
    "role": "RTC",
    "datasheet": "https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BM8563_V1.1_cn.pdf"
   }
  ],
  "notes": "Confirmed via WebFetch of docs.m5stack.com/en/core/M5Dial and curl HEAD 200 on all links. Product listed is 'v1.1'; STL path is the v1.1-specific structure file in m5stack/M5_Hardware.",
  "checked": "2026-09-27"
 },
 "sourceFiles": {
  "kicad": [],
  "models": [
   {
    "label": "Dial v1.1 case structure (STL)",
    "format": "STL",
    "url": "https://raw.githubusercontent.com/m5stack/M5_Hardware/master/Products/K130-V11_Dial_v1.1/Structures/Dial_v1.1.stl",
    "page": "https://github.com/m5stack/M5_Hardware/blob/master/Products/K130-V11_Dial_v1.1/Structures/Dial_v1.1.stl",
    "bytes": 2924084
   }
  ]
 },
 "firmware": [
  {
   "name": "M5Dial Library",
   "url": "https://github.com/m5stack/M5Dial",
   "tag": "Drivers",
   "description": "Official drivers for the rotary encoder, 1.28-inch round touch display, RFID reader, and built-in RTC."
  }
 ],
 "chips": [
  "esp32-s3",
  "gc9a01",
  "ws1850s",
  "pcf8563"
 ]
}