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 / source-regulator.json
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matt Add MTA-156 input revision and document enclosure and cable-fit limits 16485bb
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{
  "components": [
    {
      "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560106476640493568",
      "description": "-40℃~+85℃@(TA) 1 1.1MHz 22uA 2A 3.3V 3.8V~32V Buck Built-in Fixed Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHS",
      "is_basic": false,
      "is_preferred": false,
      "jlcpcb_parts_url": "https://jlcpcb.com/parts/componentSearch?searchTxt=C780769",
      "joints": 6,
      "lcsc": "C780769",
      "lcsc_id": 780769,
      "mfr": "AP63203WU-7",
      "package": "TSOT-23-6",
      "popularity": "medium",
      "price_tiers": [],
      "stock": 6970,
      "stock_age_days": 2,
      "stock_as_of": "2026-10-21",
      "unit_price_usd": null
    },
    {
      "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8576889956062711808",
      "description": "-40℃~+125℃@(TA) 1 1.1MHz 22uA 2A 3.3V 3.8V~32V Buck Built-in Fixed Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHS",
      "is_basic": false,
      "is_preferred": false,
      "jlcpcb_parts_url": "https://jlcpcb.com/parts/componentSearch?searchTxt=C5248536",
      "joints": 6,
      "lcsc": "C5248536",
      "lcsc_id": 5248536,
      "mfr": "AP63203QWU-7",
      "package": "TSOT-23-6",
      "popularity": "very_low",
      "price_tiers": [],
      "stock": 89,
      "stock_age_days": 48,
      "stock_as_of": "2026-09-05",
      "unit_price_usd": null
    }
  ],
  "count": 2,
  "snapshot": {
    "_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"
  }
}