board

Network cabinet fan controller

Public Unreviewed

by matt

Two independently controlled 12 V fans, Ethernet and Wi-Fi, and an RGB speed display in a custom printed puck. Routed development preview, not approved for manufacture.

pcbfan-controlleresphomeesp32-s3ethernetnetwork-cabinet
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fan-controller / revisions / mta156 / design / live-C90146.json
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matt Add MTA-156 input revision and document enclosure and cable-fit limits 16485bb
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OK: JLCPCB now: CL31A226KOHNNNE extended, 388951 in stock
{
  "components": [
    {
      "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178927249534976",
      "description": "16V 22uF X5R ±10% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS",
      "is_basic": false,
      "is_preferred": false,
      "jlcpcb_parts_url": "https://jlcpcb.com/parts/componentSearch?searchTxt=C90146",
      "joints": 2,
      "lcsc": "C90146",
      "lcsc_id": 90146,
      "mfr": "CL31A226KOHNNNE",
      "package": "1206",
      "popularity": "very_high",
      "price_tiers": [
        {
          "from": 1,
          "to": 49,
          "usd": 0.1129
        },
        {
          "from": 50,
          "to": 149,
          "usd": 0.0908
        },
        {
          "from": 150,
          "to": 499,
          "usd": 0.0795
        },
        {
          "from": 500,
          "to": 1999,
          "usd": 0.07
        },
        {
          "from": 2000,
          "to": 3999,
          "usd": 0.0643
        },
        {
          "from": 4000,
          "to": null,
          "usd": 0.062
        }
      ],
      "source": "live from JLCPCB",
      "stock": 388951,
      "stock_age_days": 0,
      "stock_as_of": "2026-10-23",
      "unit_price_usd": 0.1129
    }
  ],
  "count": 1,
  "differs": [
    "stock: snapshot 120,763 (as of 2026-10-15), JLCPCB 388,951 now"
  ],
  "lcsc": "C90146",
  "live": {
    "is_basic": false,
    "is_preferred": false,
    "lcsc": "C90146",
    "library_type": "extended",
    "mfr": "CL31A226KOHNNNE",
    "ok": true,
    "price_tiers": [
      {
        "from": 1,
        "to": 49,
        "usd": 0.1129
      },
      {
        "from": 50,
        "to": 149,
        "usd": 0.0908
      },
      {
        "from": 150,
        "to": 499,
        "usd": 0.0795
      },
      {
        "from": 500,
        "to": 1999,
        "usd": 0.07
      },
      {
        "from": 2000,
        "to": 3999,
        "usd": 0.0643
      },
      {
        "from": 4000,
        "to": null,
        "usd": 0.062
      }
    ],
    "read_at": "2026-10-23T16:01:14.514Z",
    "stock": 388951,
    "unit_price_usd": 0.1129
  },
  "snapshot": {
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178927249534976",
    "description": "16V 22uF X5R ±10% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS",
    "is_basic": false,
    "is_preferred": false,
    "jlcpcb_parts_url": "https://jlcpcb.com/parts/componentSearch?searchTxt=C90146",
    "joints": 2,
    "lcsc": "C90146",
    "lcsc_id": 90146,
    "mfr": "CL31A226KOHNNNE",
    "package": "1206",
    "popularity": "very_high",
    "price_tiers": [],
    "stock": 120763,
    "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": 11.5,
    "built": "2026-10-23T04:30:09.746Z",
    "source": "local snapshot of the JLCPCB/LCSC catalogue"
  },
  "trust": "live"
}