molecule

Steven's Nameplate: three revisions

Public Made by Adom

by adom

A USB-C desk nameplate for Steven Moss (Astera Institute), built three ways and published as open experiments: a 3x5 LED board, a 5x7 LED board, and a laser-ablated silkscreen plate. Source, fab files, negative results, reproduce steps.

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main
steven-led-nameplate / rev2 / viewer / walkthrough.json
HistoryDownload
John Lauer Three revisions with per-experiment write-ups, inline 3D viewers, sources, fab files, open-science scorecard 091a7c9 12d ago
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{
  "_meta": {
    "circuit_json_sha256": "cdf7ff3a54fcecf61efd1633f2efac46a9ca1d1bf6734bafaa01ae2680105a6d",
    "do_not_edit_by_hand": "re-run `adom-tsci walkthrough-gen` after changing the board; hand-edits will be overwritten",
    "generated_at": "2026-09-23T10:40:52.053376673+00:00",
    "generated_by": "adom-tsci walkthrough-gen",
    "package_name": "steven-nameplate-v2",
    "project_name": "steven-nameplate-v2"
  },
  "steps": [
    {
      "focus": {
        "kind": "all"
      },
      "id": "intro",
      "text": "STEVEN LED nameplate v2: 94 white 0603 LEDs in a 5x7 dot matrix (real N diagonal), USB-C powered, Adom molecule",
      "title": "steven-nameplate-v2"
    },
    {
      "focus": {
        "kind": "component",
        "name": "J1",
        "zoomTight": true
      },
      "highlight": [
        "J1"
      ],
      "id": "connector-1",
      "minMs": 6000,
      "text": "USB-C power input on the east edge. Plug in any 5 V USB-C cable and the board lights up. Part: TYPE-C-31-M-12.",
      "title": "USB-C connector — power input"
    },
    {
      "focus": {
        "kind": "components",
        "names": [
          "C_BULK",
          "C_HF"
        ],
        "zoomTight": true
      },
      "highlight": [
        "C_BULK",
        "C_HF"
      ],
      "id": "caps",
      "minMs": 6000,
      "text": "Board ships with 2 capacitor(s) — C_BULK, C_HF. Typical roles: input decoupling, output filtering, bootstrap, bypass.",
      "title": "Capacitors (2 total)"
    },
    {
      "focus": {
        "kind": "components",
        "names": [
          "R1",
          "R10",
          "R11",
          "R12",
          "R13",
          "R14",
          "R15",
          "R16",
          "R17",
          "R18",
          "R19",
          "R2",
          "R20",
          "R21",
          "R22",
          "R23",
          "R24",
          "R25",
          "R26",
          "R27",
          "R28",
          "R29",
          "R3",
          "R30",
          "R31",
          "R32",
          "R33",
          "R34",
          "R35",
          "R36",
          "R37",
          "R38",
          "R39",
          "R4",
          "R40",
          "R41",
          "R42",
          "R43",
          "R44",
          "R45",
          "R46",
          "R47",
          "R48",
          "R49",
          "R5",
          "R50",
          "R51",
          "R52",
          "R53",
          "R54",
          "R55",
          "R56",
          "R57",
          "R58",
          "R59",
          "R6",
          "R60",
          "R61",
          "R62",
          "R63",
          "R64",
          "R65",
          "R66",
          "R67",
          "R68",
          "R69",
          "R7",
          "R70",
          "R71",
          "R72",
          "R73",
          "R74",
          "R75",
          "R76",
          "R77",
          "R78",
          "R79",
          "R8",
          "R80",
          "R81",
          "R82",
          "R83",
          "R84",
          "R85",
          "R86",
          "R87",
          "R88",
          "R89",
          "R9",
          "R90",
          "R91",
          "R92",
          "R93",
          "R94",
          "R_CC1",
          "R_CC2"
        ],
        "zoomTight": true
      },
      "highlight": [
        "R1",
        "R10",
        "R11",
        "R12",
        "R13",
        "R14",
        "R15",
        "R16",
        "R17",
        "R18",
        "R19",
        "R2",
        "R20",
        "R21",
        "R22",
        "R23",
        "R24",
        "R25",
        "R26",
        "R27",
        "R28",
        "R29",
        "R3",
        "R30",
        "R31",
        "R32",
        "R33",
        "R34",
        "R35",
        "R36",
        "R37",
        "R38",
        "R39",
        "R4",
        "R40",
        "R41",
        "R42",
        "R43",
        "R44",
        "R45",
        "R46",
        "R47",
        "R48",
        "R49",
        "R5",
        "R50",
        "R51",
        "R52",
        "R53",
        "R54",
        "R55",
        "R56",
        "R57",
        "R58",
        "R59",
        "R6",
        "R60",
        "R61",
        "R62",
        "R63",
        "R64",
        "R65",
        "R66",
        "R67",
        "R68",
        "R69",
        "R7",
        "R70",
        "R71",
        "R72",
        "R73",
        "R74",
        "R75",
        "R76",
        "R77",
        "R78",
        "R79",
        "R8",
        "R80",
        "R81",
        "R82",
        "R83",
        "R84",
        "R85",
        "R86",
        "R87",
        "R88",
        "R89",
        "R9",
        "R90",
        "R91",
        "R92",
        "R93",
        "R94",
        "R_CC1",
        "R_CC2"
      ],
      "id": "resistors",
      "minMs": 5000,
      "text": "Board ships with 96 resistor(s) — R1, R10, R11, R12, R13, R14, …+90 more. Typical roles: feedback dividers, pull-ups, current limiting.",
      "title": "Resistors (96 total)"
    },
    {
      "focus": {
        "kind": "netsMode"
      },
      "id": "nets-intro",
      "minMs": 6000,
      "text": "Press T (or click the ⋧ toolbar button). The FR4 substrate fades to x-ray, every routed pcb_trace lifts off the baked surface as a live polygon mesh, and the Nets HUD on the right groups all 96 routed nets into Power / Ground / Signal. Showing one net below as a sample; click any other net in the HUD to highlight it.",
      "title": "Nets panel — x-ray copper view"
    },
    {
      "focus": {
        "kind": "net",
        "name": "D1.pin1 ↔ R1.pin2"
      },
      "id": "net-d1-pin1---r1-pin2",
      "minMs": 7000,
      "text": "Signal. Ports on this net: D1.pin1 • R1.pin2. Conductive copper for this net — wires (red on top, blue on bottom), pads on each pin, vias and plated through-holes — all light up together when the net is selected.",
      "title": "D1.pin1 ↔ R1.pin2 — sample x-ray net"
    },
    {
      "focus": {
        "kind": "netsModeOff"
      },
      "id": "outro",
      "text": "Closing the Nets panel and disposing the heavy meshes — back to the lightweight baked board. Use `adom-tsci inspect <refdes>` to pin an info card, or `adom-tsci measure <a> <b>` for pad-to-pad distances. Re-generate this walkthrough any time with `adom-tsci walkthrough-gen`.",
      "title": "Tour complete"
    }
  ]
}