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/layout-audit-baseline.json

{
  "board_sha256": "a12c1c4cd869ca4c210fab9a25e8c4f2e3f82958aad62d2d2de7a5041009f01b",
  "source_version": "1.2.0 baseline, before supplier correction",
  "measurement": "Pad-centre Euclidean distances are lower bounds on connection length, not loop area or impedance. Net sums include every branch; USB segment sums exclude 22-ohm resistors.",
  "placement_checks": [
    {
      "check": "charger input bypass",
      "from_pad": "U_CHARGE.13",
      "to_pad": "C_CHG_IN.1",
      "straight_line_mm": 27.307
    },
    {
      "check": "charger system bypass",
      "from_pad": "U_CHARGE.10",
      "to_pad": "C_CHG_OUT.1",
      "straight_line_mm": 27.8
    },
    {
      "check": "charger battery bypass",
      "from_pad": "U_CHARGE.2",
      "to_pad": "C_CHG_BAT.1",
      "straight_line_mm": 27.229
    },
    {
      "check": "regulator input bypass",
      "from_pad": "U_REG.5",
      "to_pad": "C_REG_IN.1",
      "straight_line_mm": 20.259
    },
    {
      "check": "regulator output bypass",
      "from_pad": "U_REG.1",
      "to_pad": "C_REG_OUT1.1",
      "straight_line_mm": 5.0
    },
    {
      "check": "regulator switching connection L1",
      "from_pad": "U_REG.4",
      "to_pad": "L_REG.1",
      "straight_line_mm": 11.283
    },
    {
      "check": "regulator switching connection L2",
      "from_pad": "U_REG.2",
      "to_pad": "L_REG.2",
      "straight_line_mm": 13.199
    },
    {
      "check": "backlight input bypass",
      "from_pad": "U_BACKLIGHT.5",
      "to_pad": "C_BL_IN.1",
      "straight_line_mm": 23.14
    },
    {
      "check": "backlight switch-to-inductor",
      "from_pad": "U_BACKLIGHT.1",
      "to_pad": "L_BL.2",
      "straight_line_mm": 13.387
    },
    {
      "check": "backlight switch-to-diode",
      "from_pad": "U_BACKLIGHT.1",
      "to_pad": "D_BL.2",
      "straight_line_mm": 9.914
    },
    {
      "check": "backlight output bypass",
      "from_pad": "D_BL.1",
      "to_pad": "C_BL_OUT.1",
      "straight_line_mm": 23.087
    },
    {
      "check": "backlight feedback",
      "from_pad": "U_BACKLIGHT.3",
      "to_pad": "R_BL_FB.1",
      "straight_line_mm": 6.939
    },
    {
      "check": "speaker supply bypass 100 nF",
      "from_pad": "U_AMP.14",
      "to_pad": "C_AMP1.1",
      "straight_line_mm": 3.762
    },
    {
      "check": "speaker supply bulk",
      "from_pad": "U_AMP.14",
      "to_pad": "C_AMP2.1",
      "straight_line_mm": 5.836
    },
    {
      "check": "microphone 1 local bypass",
      "from_pad": "MIC1.5",
      "to_pad": "C_MIC1.1",
      "straight_line_mm": 4.442
    },
    {
      "check": "microphone 2 local bypass",
      "from_pad": "MIC2.5",
      "to_pad": "C_MIC2.1",
      "straight_line_mm": 36.919
    }
  ],
  "routing_metrics": [
    {
      "net": "USB_DM",
      "total_branch_length_mm": 23.644,
      "minimum_width_mm": 0.15,
      "routing_vias": 0,
      "layers": [
        "F.Cu"
      ]
    },
    {
      "net": "USB_DP",
      "total_branch_length_mm": 23.825,
      "minimum_width_mm": 0.15,
      "routing_vias": 3,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "USB_DM_MCU",
      "total_branch_length_mm": 18.925,
      "minimum_width_mm": 0.15,
      "routing_vias": 2,
      "layers": [
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "USB_DP_MCU",
      "total_branch_length_mm": 35.132,
      "minimum_width_mm": 0.15,
      "routing_vias": 6,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "REG_L1",
      "total_branch_length_mm": 13.442,
      "minimum_width_mm": 0.2,
      "routing_vias": 2,
      "layers": [
        "B.Cu",
        "F.Cu"
      ]
    },
    {
      "net": "REG_L2",
      "total_branch_length_mm": 16.374,
      "minimum_width_mm": 0.2,
      "routing_vias": 2,
      "layers": [
        "B.Cu",
        "F.Cu"
      ]
    },
    {
      "net": "BL_SW",
      "total_branch_length_mm": 23.601,
      "minimum_width_mm": 0.2,
      "routing_vias": 3,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "V3_3",
      "total_branch_length_mm": 283.605,
      "minimum_width_mm": 0.15,
      "routing_vias": 14,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "SYS",
      "total_branch_length_mm": 112.937,
      "minimum_width_mm": 0.15,
      "routing_vias": 5,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "BAT",
      "total_branch_length_mm": 122.285,
      "minimum_width_mm": 0.15,
      "routing_vias": 6,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    },
    {
      "net": "VBUS_FUSED",
      "total_branch_length_mm": 52.78,
      "minimum_width_mm": 0.15,
      "routing_vias": 4,
      "layers": [
        "B.Cu",
        "F.Cu",
        "In2.Cu"
      ]
    }
  ]
}