{
  "id": "soil-moisture-sensor-yl-69",
  "name": "Soil Moisture Sensor Yl 69",
  "name_zh": "土壤濕度傳感器 YL-69",
  "mpn": "YL-69",
  "category": "sensor/humidity",
  "summary_zh": "土壤濕度傳感器通常是用來檢測土壤的水份和濕潤程度，主要用來建立一個自動澆水系統或監測植物的土壤濕度的項目。\n這款傳感器由兩部分組成：感應板和帶兩塊墊子的探頭的土壤濕度傳感器。",
  "specs": {
    "voltage_v": {
      "typ": 3.3
    },
    "chip": [
      "LM393"
    ],
    "dimensions_mm": {
      "l": 30,
      "w": 16,
      "h": 7
    },
    "weight_g": 5,
    "sensing": {
      "measurement": "humidity"
    }
  },
  "pins": [
    {
      "name": "VCC",
      "type": "power",
      "description": "Supply positive, connect 3.3V to 5V."
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "DO",
      "type": "output",
      "description": "Digital output, high/low based on humidity threshold set by potentiometer."
    },
    {
      "name": "AO",
      "type": "analog",
      "description": "Analog output, voltage proportional to soil moisture."
    }
  ],
  "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": "301",
  "updated_at": "2026-09-12"
}