{
  "id": "air-quality-control-sensor-mq-135",
  "name": "Air Quality Control Sensor Mq 135",
  "name_zh": "空氣質量傳感器 MQ-135",
  "mpn": "MQ-135",
  "category": "sensor/gas",
  "summary_zh": "空氣質量傳感器 MQ-135使用AT89S52芯片，能夠檢測空氣中電導率較低的二氣化錫(Sn02)， 當傳感器所處環境中存在汙染氣體時，傳感器的電導率隨空氣中的汙染氣體濃度而增大，將電導率的變化轉換為氣體濃度的輸出信號。 能夠用於探測家庭、環境的有害氣體，氨氣、芳族化合物、硫化物、苯系蒸汽、煙霧等氣體敏感源。",
  "specs": {
    "voltage_v": {
      "typ": 5
    },
    "chip": [
      "AT89S52"
    ],
    "dimensions_mm": {
      "l": 33,
      "w": 20,
      "h": 23
    },
    "weight_g": 7,
    "sensing": {
      "measurement": "gas"
    }
  },
  "pins": [
    {
      "name": "VCC",
      "type": "power",
      "description": "5V supply input"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "A0",
      "type": "analog",
      "description": "Analog voltage output representing gas concentration"
    },
    {
      "name": "D0",
      "type": "output",
      "description": "Digital output, high/low when threshold exceeded, adjustable threshold"
    }
  ],
  "attributes": {
    "檢測濃度": "10-1000ppm"
  },
  "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"
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      "license": "CC-BY-4.0",
      "source": "original"
    }
  },
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  ],
  "product_id": "1371",
  "updated_at": "2026-09-12"
}