Network cabinet fan controller

OK: JLCPCB now: DS18B20+ extended, 53819 in stock
{
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    {
      "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8788892754149822464",
      "description": "-55℃~+125℃ 12bit 1uA 3V~5.5V 750ms Single bus Temperature threshold monitoring、Configurable temperature output、On-chip non-volatile parameter storage ±0.5℃ TO-92 Temperature Sensors ROHS",
      "is_basic": false,
      "is_preferred": false,
      "jlcpcb_parts_url": "https://jlcpcb.com/parts/componentSearch?searchTxt=C9753",
      "joints": 3,
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      "mfr": "DS18B20+",
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      "price_tiers": [
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        },
        {
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          "to": 29,
          "usd": 1.0745
        },
        {
          "from": 30,
          "to": 99,
          "usd": 0.9339
        },
        {
          "from": 100,
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          "usd": 0.8276
        },
        {
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          "to": 999,
          "usd": 0.785
        },
        {
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          "to": null,
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        }
      ],
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      "stock": 53819,
      "stock_age_days": 0,
      "stock_as_of": "2026-10-23",
      "unit_price_usd": 1.225
    }
  ],
  "count": 1,
  "differs": [
    "stock: snapshot 43,734 (as of 2026-10-15), JLCPCB 53,819 now"
  ],
  "lcsc": "C9753",
  "live": {
    "is_basic": false,
    "is_preferred": false,
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    "library_type": "extended",
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    "ok": true,
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      },
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      },
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    "read_at": "2026-10-23T15:43:13.602Z",
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  },
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    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8788892754149822464",
    "description": "-55℃~+125℃ 12bit 1uA 3V~5.5V 750ms Single bus Temperature threshold monitoring、Configurable temperature output、On-chip non-volatile parameter storage ±0.5℃ TO-92 Temperature Sensors ROHS",
    "is_basic": false,
    "is_preferred": false,
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    "joints": 3,
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    "mfr": "DS18B20+",
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    "price_tiers": [],
    "stock": 43734,
    "stock_age_days": 8,
    "stock_as_of": "2026-10-15",
    "unit_price_usd": null
  },
  "snapshot_meta": {
    "_hint": "stock_as_of on each part is the date THAT part was last read from JLCPCB; it can be much older than the snapshot build. For a live reading of one part use action=part (GET /part?lcsc=C25744), which asks JLCPCB directly.",
    "age_hours": 11.2,
    "built": "2026-10-23T04:30:09.746Z",
    "source": "local snapshot of the JLCPCB/LCSC catalogue"
  },
  "trust": "live"
}