AnasSarkiz/muse-voice-remote

Muse Voice Remote — bare ESP32-S3R8, 155 TOP JLCPCB parts with real supplier CAD, native 3D assembly and GLB exports. Revised 17 mm case allocation; 0.30 mm via drill /0.45 mm pad. Checked prototype PCB; mechanical, RF and MUSE qualification pending.

Version
1.3.2
License
unset
Stars
0

docs/research/impedance-screening.json

{
  "calculated_at": "2026-10-13T23:52:41.728946+00:00",
  "tool": "scikit-rf 1.8.0",
  "geometry": {
    "stackup": "JLC04101H-3313",
    "h_mm": 0.0994,
    "copper_t_mm": 0.035,
    "substrate_er": 4.1,
    "soldermask_t_mm": 0.01,
    "soldermask_er": 3.8
  },
  "results": [
    {
      "function": "RF",
      "width_mm": 0.18,
      "frequency_hz": 2450000000.0,
      "single_ended_microstrip_ohms": 49.209612167525066
    },
    {
      "function": "USB",
      "width_mm": 0.15,
      "frequency_hz": 12000000.0,
      "single_ended_microstrip_ohms": 54.09286194231723,
      "edge_gap_mm": 0.15,
      "differential_estimate_ohms": 95.98874745004542,
      "differential_model": "simplified IPC-style edge-coupling approximation"
    }
  ],
  "limits": "Analytical screening only; soldermask, trapezoidal etch, adjacent copper, bends, component launches and actual fabrication tolerances are not modeled. Not a field-solver result or measured coupon. Fabricator confirmation and assembled RF tuning remain required.",
  "tool_warnings": [
    "scikit-rf conductor-loss formula warns that 35 \u00b5m copper is thinner than three skin depths at 12 MHz. Only impedance is screened; no loss/delay result is used."
  ]
}