{
  "id": "capacitive-touch-sensor-ttp223b",
  "name": "Capacitive Touch Sensor Ttp223b",
  "name_zh": "電容式觸摸開關 TTP223B",
  "mpn": "TTP223",
  "category": "input/touch",
  "summary_zh": "基於TTP223芯片的觸摸開關，提供了一個11 x 10.5mm的集成觸摸感應區域，傳感器範圍約為5mm。板載LED指示何時觸發按鈕，點觸控式操作，初態為低電平，觸摸為高電平，不觸摸為低電平，形成輕觸式按鍵的功能。",
  "specs": {
    "voltage_v": {
      "typ": 3
    },
    "dimensions_mm": {
      "l": 24,
      "w": 24,
      "h": 7.2
    },
    "weight_g": 2
  },
  "pins": [
    {
      "name": "G",
      "type": "ground"
    },
    {
      "name": "V",
      "type": "power",
      "description": "2.0V–5.5V DC input"
    },
    {
      "name": "S",
      "type": "output",
      "description": "Touch signal output; low when untouched, high when touched"
    }
  ],
  "attributes": {
    "螺絲孔": "M2",
    "制式": "電容式觸控板",
    "插腳": "G（GND）、V（vcc)、S（信號）"
  },
  "assets": {
    "wiring": {
      "files": [
        "wiring.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    },
    "photos": {
      "files": [
        "photos/01.jpeg",
        "photos/02.jpeg",
        "photos/03.jpeg",
        "photos/04.jpeg",
        "photos/05.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    }
  },
  "source_images": [
    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-01-1.jpeg?v=1657912741",
      "file": "capacitive-touch-sensor-ttp223b-01-1.jpeg"
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    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-02-1.jpeg?v=1657912740",
      "file": "capacitive-touch-sensor-ttp223b-02-1.jpeg"
    },
    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-03-1.jpeg?v=1657912738",
      "file": "capacitive-touch-sensor-ttp223b-03-1.jpeg"
    },
    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-04-1.jpeg?v=1657912736",
      "file": "capacitive-touch-sensor-ttp223b-04-1.jpeg"
    },
    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-wiring-1.jpeg?v=1657912734",
      "file": "capacitive-touch-sensor-ttp223b-wiring-1.jpeg"
    },
    {
      "url": "https://hk.botsheet.com/wp-content/uploads/2021/04/capacitive-touch-sensor-ttp223b-01-1.jpeg?v=1657912741",
      "file": "capacitive-touch-sensor-ttp223b-01-1.jpeg"
    }
  ],
  "product_id": "2106",
  "updated_at": "2026-09-12"
}