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/board-audit.json
{
"checked_at": "2026-10-14T18:30:24.673287+00:00",
"board_sha256": "f9b4986a53315df13410230c56398d222b687407900caec35f5bcd7745007a87",
"finished_device_qualified": false,
"prototype_manufacturing_verified": true,
"measurement_limits": "Pad-centre distances are lower bounds; branch sums are not point-to-point lengths. No loop-area, impedance, thermal or enclosure simulation is claimed.",
"placement_checks": [
{
"check": "charger input bypass",
"from_pad": "U_CHARGE.13",
"to_pad": "C_CHG_IN.1",
"straight_line_mm": 2.214
},
{
"check": "charger system bypass",
"from_pad": "U_CHARGE.10",
"to_pad": "C_CHG_OUT.1",
"straight_line_mm": 2.658
},
{
"check": "charger battery bypass",
"from_pad": "U_CHARGE.2",
"to_pad": "C_CHG_BAT.1",
"straight_line_mm": 4.219
},
{
"check": "regulator input bypass",
"from_pad": "U_REG.5",
"to_pad": "C_REG_IN.1",
"straight_line_mm": 2.552
},
{
"check": "regulator output bypass",
"from_pad": "U_REG.1",
"to_pad": "C_REG_OUT1.1",
"straight_line_mm": 2.547
},
{
"check": "regulator switching connection L1",
"from_pad": "U_REG.4",
"to_pad": "L_REG.1",
"straight_line_mm": 3.577
},
{
"check": "regulator switching connection L2",
"from_pad": "U_REG.2",
"to_pad": "L_REG.2",
"straight_line_mm": 3.587
},
{
"check": "backlight input bypass",
"from_pad": "U_BACKLIGHT.5",
"to_pad": "C_BL_IN.1",
"straight_line_mm": 2.171
},
{
"check": "backlight switch-to-inductor",
"from_pad": "U_BACKLIGHT.1",
"to_pad": "L_BL.2",
"straight_line_mm": 2.506
},
{
"check": "backlight switch-to-diode",
"from_pad": "U_BACKLIGHT.1",
"to_pad": "D_BL.2",
"straight_line_mm": 4.209
},
{
"check": "backlight output bypass",
"from_pad": "D_BL.1",
"to_pad": "C_BL_OUT.1",
"straight_line_mm": 3.553
},
{
"check": "backlight feedback",
"from_pad": "U_BACKLIGHT.3",
"to_pad": "R_BL_FB.1",
"straight_line_mm": 2.355
},
{
"check": "speaker supply bypass 100 nF",
"from_pad": "U_AMP.7",
"to_pad": "C_AMP1.1",
"straight_line_mm": 2.618
},
{
"check": "speaker supply bulk",
"from_pad": "U_AMP.7",
"to_pad": "C_AMP2.1",
"straight_line_mm": 2.136
},
{
"check": "microphone 1 bypass",
"from_pad": "MIC1.5",
"to_pad": "C_MIC1.1",
"straight_line_mm": 3.947
},
{
"check": "microphone 2 bypass",
"from_pad": "MIC2.5",
"to_pad": "C_MIC2.1",
"straight_line_mm": 4.054
}
],
"routing_metrics": [
{
"net": "USB_DM",
"total_branch_length_mm": 23.392,
"minimum_width_mm": 0.15,
"routing_vias": 2,
"layers": [
"B.Cu",
"F.Cu"
]
},
{
"net": "USB_DP",
"total_branch_length_mm": 23.17,
"minimum_width_mm": 0.15,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "USB_DM_MCU",
"total_branch_length_mm": 8.811,
"minimum_width_mm": 0.15,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "USB_DP_MCU",
"total_branch_length_mm": 8.811,
"minimum_width_mm": 0.15,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "REG_L1",
"total_branch_length_mm": 3.707,
"minimum_width_mm": 0.4,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "REG_L2",
"total_branch_length_mm": 3.629,
"minimum_width_mm": 0.4,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "BL_SW",
"total_branch_length_mm": 7.063,
"minimum_width_mm": 0.3,
"routing_vias": 0,
"layers": [
"F.Cu"
]
},
{
"net": "V3_3",
"total_branch_length_mm": 123.724,
"minimum_width_mm": 0.15,
"routing_vias": 36,
"layers": [
"B.Cu",
"F.Cu",
"In2.Cu"
]
},
{
"net": "SYS",
"total_branch_length_mm": 17.697,
"minimum_width_mm": 0.2,
"routing_vias": 10,
"layers": [
"F.Cu"
]
},
{
"net": "BAT",
"total_branch_length_mm": 94.826,
"minimum_width_mm": 0.15,
"routing_vias": 6,
"layers": [
"B.Cu",
"F.Cu",
"In2.Cu"
]
},
{
"net": "VBUS_FUSED",
"total_branch_length_mm": 23.044,
"minimum_width_mm": 0.15,
"routing_vias": 2,
"layers": [
"F.Cu",
"In2.Cu"
]
}
],
"inner_ground_layer_signal_segments": {},
"procurement": [
{
"lcsc": "C105580",
"mpn": "RC0603FR-075K1L",
"per_board": 2,
"stock": 6144432,
"supplier_loss_allowance": 10,
"supplier_least_patch": 20,
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"two_pcb_screen_pass": true,
"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "5.1k\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1100ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:25.472575+00:00"
},
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"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "100\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1100ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:26.187523+00:00"
},
{
"lcsc": "C107701",
"mpn": "RC0603FR-0722RL",
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"two_pcb_screen_pass": true,
"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "22\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1100ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:26.142297+00:00"
},
{
"lcsc": "C125094",
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"two_pcb_screen_required": 20,
"two_pcb_screen_pass": true,
"category": "LED Indication - Discrete",
"attributes": [
{
"attribute_name_en": "Mounting Style",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Wavelength - Dominant",
"attribute_value_name": "567.5nm~576.5nm"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-30\u2103~+85\u2103"
},
{
"attribute_name_en": "Color Temperature",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Test Current",
"attribute_value_name": "20mA"
},
{
"attribute_name_en": "Viewing Angle",
"attribute_value_name": "130\u00b0"
},
{
"attribute_name_en": "Lamp Holder Type",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Luminous Intensity",
"attribute_value_name": "35mcd"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "75mW"
},
{
"attribute_name_en": "Diode Configuration",
"attribute_value_name": "Discrete Diode"
},
{
"attribute_name_en": "Illumination Color",
"attribute_value_name": "Yellow Green"
},
{
"attribute_name_en": "Lens Color",
"attribute_value_name": "Water Clear"
},
{
"attribute_name_en": "Peak Wavelength",
"attribute_value_name": "574nm"
},
{
"attribute_name_en": "Voltage - Forward(Vf)",
"attribute_value_name": "2V"
}
],
"checked_at": "2026-10-13T23:55:26.863737+00:00"
},
{
"lcsc": "C125096",
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"stock": 57497,
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"two_pcb_screen_pass": true,
"category": "LED Indication - Discrete",
"attributes": [
{
"attribute_name_en": "Mounting Style",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Wavelength - Dominant",
"attribute_value_name": "465nm~475nm"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-20\u2103~+80\u2103"
},
{
"attribute_name_en": "Color Temperature",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Test Current",
"attribute_value_name": "20mA"
},
{
"attribute_name_en": "Viewing Angle",
"attribute_value_name": "130\u00b0"
},
{
"attribute_name_en": "Lamp Holder Type",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Luminous Intensity",
"attribute_value_name": "104mcd"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "76mW"
},
{
"attribute_name_en": "Diode Configuration",
"attribute_value_name": "Discrete Diode"
},
{
"attribute_name_en": "Illumination Color",
"attribute_value_name": "Blue"
},
{
"attribute_name_en": "Lens Color",
"attribute_value_name": "Water Clear"
},
{
"attribute_name_en": "Peak Wavelength",
"attribute_value_name": "468nm"
},
{
"attribute_name_en": "Voltage - Forward(Vf)",
"attribute_value_name": "3.3V"
}
],
"checked_at": "2026-10-13T23:55:27.024601+00:00"
},
{
"lcsc": "C137748",
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"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "2.94k\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1100ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:27.762645+00:00"
},
{
"lcsc": "C14675",
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"two_pcb_screen_pass": true,
"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "100k\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1100ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:27.697735+00:00"
},
{
"lcsc": "C15127",
"mpn": "AO3401A",
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"two_pcb_screen_required": 8,
"two_pcb_screen_pass": true,
"category": "MOSFETs",
"attributes": [
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Input Capacitance(Ciss)",
"attribute_value_name": "645pF"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Gate Threshold Voltage (Vgs(th))",
"attribute_value_name": "900mV"
},
{
"attribute_name_en": "Number",
"attribute_value_name": "1 P-Channel"
},
{
"attribute_name_en": "Gate Charge(Qg)",
"attribute_value_name": "14nC@10V"
},
{
"attribute_name_en": "Reverse Transfer Capacitance (Crss@Vds)",
"attribute_value_name": "55pF"
},
{
"attribute_name_en": "Current - Continuous Drain(Id)",
"attribute_value_name": "4A"
},
{
"attribute_name_en": "Drain to Source Voltage",
"attribute_value_name": "30V"
},
{
"attribute_name_en": "Output Capacitance(Coss)",
"attribute_value_name": "80pF"
},
{
"attribute_name_en": "Pd - Power Dissipation",
"attribute_value_name": "-"
},
{
"attribute_name_en": "RDS(on)",
"attribute_value_name": "47m\u03a9@10V\u300160m\u03a9@4.5V\u300185m\u03a9@2.5V"
}
],
"checked_at": "2026-10-13T23:55:28.571534+00:00"
},
{
"lcsc": "C15850",
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"category": "Multilayer Ceramic Capacitors MLCC - SMD/SMT",
"attributes": [
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "25V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b110%"
},
{
"attribute_name_en": "Capacitance",
"attribute_value_name": "10uF"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "X5R"
}
],
"checked_at": "2026-10-13T23:55:28.556026+00:00"
},
{
"lcsc": "C1589",
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"category": "Multilayer Ceramic Capacitors MLCC - SMD/SMT",
"attributes": [
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "50V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b110%"
},
{
"attribute_name_en": "Capacitance",
"attribute_value_name": "10nF"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "X7R"
}
],
"checked_at": "2026-10-13T23:55:28.933851+00:00"
},
{
"lcsc": "C160402",
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"category": "Wire To Board Connector",
"attributes": [
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-25\u2103~+85\u2103"
},
{
"attribute_name_en": "Number of Rows",
"attribute_value_name": "1"
},
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "50V"
},
{
"attribute_name_en": "Color",
"attribute_value_name": "White"
},
{
"attribute_name_en": "Current Rating",
"attribute_value_name": "1A"
},
{
"attribute_name_en": "Pins Structure",
"attribute_value_name": "1x2P"
},
{
"attribute_name_en": "Row Spacing",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Mounting Type",
"attribute_value_name": "Surface Mount, Right Angle"
},
{
"attribute_name_en": "Flame Retardant Rating",
"attribute_value_name": "UL94V-0"
},
{
"attribute_name_en": "Y-Width of Bottom Edge on Board",
"attribute_value_name": "4.32mm"
},
{
"attribute_name_en": "X-Length of Bottom Edge on Board (Spacing Line)",
"attribute_value_name": "4mm"
},
{
"attribute_name_en": "Reference Series",
"attribute_value_name": "SH"
},
{
"attribute_name_en": "Contact Plating",
"attribute_value_name": "Tin"
},
{
"attribute_name_en": "Number of Pins",
"attribute_value_name": "2P"
},
{
"attribute_name_en": "Pitch",
"attribute_value_name": "1mm"
},
{
"attribute_name_en": "Contact Material",
"attribute_value_name": "Copper alloy"
},
{
"attribute_name_en": "Supplementary Features",
"attribute_value_name": "Auxiliary Solder Pin"
},
{
"attribute_name_en": "Z-Height of the Board",
"attribute_value_name": "2.9mm"
},
{
"attribute_name_en": "Plastic Material",
"attribute_value_name": "PA"
},
{
"attribute_name_en": "Number of PINs Per Row",
"attribute_value_name": "2"
}
],
"checked_at": "2026-10-13T23:55:29.342245+00:00"
},
{
"lcsc": "C89653",
"mpn": "MF-NSMF075-2",
"per_board": 1,
"stock": 11249,
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"supplier_min_purchase": 1,
"two_pcb_screen_required": 6,
"two_pcb_screen_pass": true,
"category": "Resettable Fuses",
"attributes": [
{
"attribute_name_en": "Power Dissipation",
"attribute_value_name": "400mW"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+85\u2103"
},
{
"attribute_name_en": "Voltage - Max",
"attribute_value_name": "6V"
},
{
"attribute_name_en": "Time to Trip(Max)",
"attribute_value_name": "100ms"
},
{
"attribute_name_en": "Length",
"attribute_value_name": "3.2mm"
},
{
"attribute_name_en": "Trip Current",
"attribute_value_name": "1.5A"
},
{
"attribute_name_en": "Resistance - Initial (Ri) (Min)",
"attribute_value_name": "100m\u03a9"
},
{
"attribute_name_en": "Pitch",
"attribute_value_name": "-"
},
{
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"supplier_loss_allowance": 0,
"supplier_least_patch": 0,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 2,
"two_pcb_screen_pass": true,
"category": "RF Transceiver ICs",
"attributes": [
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+65\u2103"
},
{
"attribute_name_en": "Frequency Range",
"attribute_value_name": "2.412GHz~2.484GHz"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "transceiver"
},
{
"attribute_name_en": "Sensitivity",
"attribute_value_name": "-74.2dBm"
},
{
"attribute_name_en": "Output Power",
"attribute_value_name": "18.5dBm"
},
{
"attribute_name_en": "Data Rate",
"attribute_value_name": "150Mbps"
},
{
"attribute_name_en": "Applications",
"attribute_value_name": "Bluetooth\u3001WiFi"
},
{
"attribute_name_en": "Voltage - Supply",
"attribute_value_name": "3V~3.6V"
},
{
"attribute_name_en": "Receive Current",
"attribute_value_name": "88mA"
},
{
"attribute_name_en": "Typical Application Frequency",
"attribute_value_name": "2.4GHz"
},
{
"attribute_name_en": "Features",
"attribute_value_name": "DMA function"
},
{
"attribute_name_en": "Current Of Transmitting",
"attribute_value_name": "283mA"
},
{
"attribute_name_en": "Interface",
"attribute_value_name": "SPI\u3001USB\u3001UART\u3001I2C\u3001I2S"
}
],
"checked_at": "2026-10-13T23:55:44.915464+00:00"
},
{
"lcsc": "C179171",
"mpn": "W25Q64JVSSIQ",
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"two_pcb_screen_required": 2,
"two_pcb_screen_pass": true,
"category": "NOR FLASH",
"attributes": [
{
"attribute_name_en": "Data Retention - TDR (Year)",
"attribute_value_name": "20 Years"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+85\u2103"
},
{
"attribute_name_en": "Clock Frequency",
"attribute_value_name": "133MHz"
},
{
"attribute_name_en": "Memory Size",
"attribute_value_name": "64Mbit"
},
{
"attribute_name_en": "Page Programming Time (Tpp)",
"attribute_value_name": "3ms"
},
{
"attribute_name_en": "Voltage - Supply",
"attribute_value_name": "2.7V~3.6V"
},
{
"attribute_name_en": "Write Cycle Time (tWC)",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Block Erase Time(tBE)",
"attribute_value_name": "150ms@(64KB)"
},
{
"attribute_name_en": "Features",
"attribute_value_name": "Power-on reset\u3001Hardware write protection\u3001Software write protection\u3001Write enable latch\u3001Absolute write protection"
},
{
"attribute_name_en": "Interface",
"attribute_value_name": "SPI"
},
{
"attribute_name_en": "Standby Supply Current",
"attribute_value_name": "10uA"
},
{
"attribute_name_en": "Program / Erase Cycles",
"attribute_value_name": "100,000 cycles"
}
],
"checked_at": "2026-10-13T23:55:45.554367+00:00"
},
{
"lcsc": "C9010",
"mpn": "X322540MPB4SI",
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"stock": 47408,
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"supplier_min_purchase": 1,
"two_pcb_screen_required": 6,
"two_pcb_screen_pass": true,
"category": "Crystals",
"attributes": [
{
"attribute_name_en": "Load Capacitance",
"attribute_value_name": "15pF"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+85\u2103"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "SMD crystal oscillator"
},
{
"attribute_name_en": "Normal temperature Frequency Tolerance",
"attribute_value_name": "\u00b110ppm"
},
{
"attribute_name_en": "Equivalent Series Resistance(ESR)",
"attribute_value_name": "40\u03a9"
},
{
"attribute_name_en": "Frequency Stability",
"attribute_value_name": "\u00b120ppm"
},
{
"attribute_name_en": "Frequency",
"attribute_value_name": "40MHz"
}
],
"checked_at": "2026-10-13T23:55:45.415049+00:00"
},
{
"lcsc": "C88373",
"mpn": "U.FL-R-SMT-1(10)",
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"stock": 26458,
"supplier_loss_allowance": 0,
"supplier_least_patch": 5,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 5,
"two_pcb_screen_pass": true,
"category": "Coaxial Connectors (RF)",
"attributes": [
{
"attribute_name_en": "Interface Diameter",
"attribute_value_name": "2mm"
},
{
"attribute_name_en": "Number of Ports",
"attribute_value_name": "1"
},
{
"attribute_name_en": "Interface Length/Height",
"attribute_value_name": "1.25mm"
},
{
"attribute_name_en": "Operating Temperature Range",
"attribute_value_name": "-40\u2103~+90\u2103"
},
{
"attribute_name_en": "Connector Type",
"attribute_value_name": "Board Side"
},
{
"attribute_name_en": "Frequency",
"attribute_value_name": "6GHz"
},
{
"attribute_name_en": "Style",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Impedance",
"attribute_value_name": "50\u03a9"
},
{
"attribute_name_en": "Interface",
"attribute_value_name": "Inner pin"
},
{
"attribute_name_en": "RF Series",
"attribute_value_name": "IPEX"
}
],
"checked_at": "2026-10-13T23:55:45.891635+00:00"
},
{
"lcsc": "C76769",
"mpn": "MLG1005S2N0BT000",
"per_board": 2,
"stock": 202256,
"supplier_loss_allowance": 10,
"supplier_least_patch": 20,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 20,
"two_pcb_screen_pass": true,
"category": "Inductors (SMD)",
"attributes": [
{
"attribute_name_en": "Inductance",
"attribute_value_name": "2nH"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Multilayer inductor"
},
{
"attribute_name_en": "Current - Saturation (Isat)",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Q @ Frequency",
"attribute_value_name": "7@100MHz"
},
{
"attribute_name_en": "Frequency - Self Resonant",
"attribute_value_name": "7.5GHz"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Current Rating",
"attribute_value_name": "900mA"
},
{
"attribute_name_en": "DC Resistance(DCR)",
"attribute_value_name": "70m\u03a9"
}
],
"checked_at": "2026-10-13T23:55:46.163406+00:00"
},
{
"lcsc": "C167472",
"mpn": "LQW15AN24NG00D",
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"stock": 8141,
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"supplier_min_purchase": 1,
"two_pcb_screen_required": 6,
"two_pcb_screen_pass": true,
"category": "Inductors (SMD)",
"attributes": [
{
"attribute_name_en": "Inductance",
"attribute_value_name": "24nH"
},
{
"attribute_name_en": "Current - Saturation(Isat)",
"attribute_value_name": "-"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Unshielded Inductor"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b12%"
},
{
"attribute_name_en": "Current Rating",
"attribute_value_name": "280mA"
},
{
"attribute_name_en": "DC Resistance(DCR)",
"attribute_value_name": "520m\u03a9"
}
],
"checked_at": "2026-10-13T23:55:47.045367+00:00"
},
{
"lcsc": "C76960",
"mpn": "GRM1555C1H220JA01D",
"per_board": 2,
"stock": 27876,
"supplier_loss_allowance": 10,
"supplier_least_patch": 20,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 20,
"two_pcb_screen_pass": true,
"category": "Multilayer Ceramic Capacitors MLCC - SMD/SMT",
"attributes": [
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "50V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b15%"
},
{
"attribute_name_en": "Capacitance",
"attribute_value_name": "22pF"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "C0G"
}
],
"checked_at": "2026-10-13T23:55:46.614957+00:00"
},
{
"lcsc": "C72135",
"mpn": "GJM1555C1H1R2BB01D",
"per_board": 2,
"stock": 13566,
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"supplier_least_patch": 20,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 20,
"two_pcb_screen_pass": true,
"category": "Multilayer Ceramic Capacitors MLCC - SMD/SMT",
"attributes": [
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "50V"
},
{
"attribute_name_en": "Capacitance",
"attribute_value_name": "1.2pF"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "C0G"
}
],
"checked_at": "2026-10-13T23:55:47.152205+00:00"
},
{
"lcsc": "C17168",
"mpn": "0402WGF0000TCE",
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"stock": 9281499,
"supplier_loss_allowance": 10,
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"supplier_min_purchase": 1,
"two_pcb_screen_required": 24,
"two_pcb_screen_pass": true,
"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "0\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "62.5mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "50V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1800ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:47.651408+00:00"
},
{
"lcsc": "C478203",
"mpn": "PESD5V0C1USFYL",
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"stock": 306854,
"supplier_loss_allowance": 5,
"supplier_least_patch": 5,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 7,
"two_pcb_screen_pass": true,
"category": "ESD and Surge Protection (TVS/ESD)",
"attributes": [
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+125\u2103"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "ESD"
},
{
"attribute_name_en": "Junction Capacitance",
"attribute_value_name": "0.45pF"
},
{
"attribute_name_en": "Number of Channels",
"attribute_value_name": "1"
},
{
"attribute_name_en": "Peak Pulse Power Dissipation (Ppp)",
"attribute_value_name": "-"
},
{
"attribute_name_en": "level of protection",
"attribute_value_name": "IEC 61000-4-2"
},
{
"attribute_name_en": "Clamping Voltage",
"attribute_value_name": "3V"
},
{
"attribute_name_en": "Polarity",
"attribute_value_name": "Unidirectional"
},
{
"attribute_name_en": "Peak Pulse Current (Ipp)",
"attribute_value_name": "9A@8/20us"
},
{
"attribute_name_en": "Voltage - Breakdown",
"attribute_value_name": "5.5V"
},
{
"attribute_name_en": "Reverse Stand-Off Voltage (Vrwm)",
"attribute_value_name": "5V"
},
{
"attribute_name_en": "Reverse Leakage Current (Ir)",
"attribute_value_name": "50nA"
}
],
"checked_at": "2026-10-13T23:55:47.943968+00:00"
},
{
"lcsc": "C575577",
"mpn": "TLV70230DBVR",
"per_board": 1,
"stock": 4788,
"supplier_loss_allowance": 2,
"supplier_least_patch": 5,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 5,
"two_pcb_screen_pass": true,
"category": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"attributes": [
{
"attribute_name_en": "Power Supply Rejection Ratio (PSRR)",
"attribute_value_name": "68dB@(1kHz)"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-40\u2103~+125\u2103@(Tj)"
},
{
"attribute_name_en": "standby current",
"attribute_value_name": "35uA"
},
{
"attribute_name_en": "Noise",
"attribute_value_name": "48uVrms"
},
{
"attribute_name_en": "Output Type",
"attribute_value_name": "Fixed"
},
{
"attribute_name_en": "Voltage - Supply",
"attribute_value_name": "5.5V"
},
{
"attribute_name_en": "Output Current",
"attribute_value_name": "300mA"
},
{
"attribute_name_en": "Output Configuration",
"attribute_value_name": "Positive"
},
{
"attribute_name_en": "Features",
"attribute_value_name": "Over Current Protection\u3001Thermal shutdown\u3001Enable control\u3001Input under-voltage protection\u3001Output discharge"
},
{
"attribute_name_en": "Output Voltage",
"attribute_value_name": "3V"
},
{
"attribute_name_en": "Voltage Dropout",
"attribute_value_name": "375mV@(300mA)"
},
{
"attribute_name_en": "Number of Outputs",
"attribute_value_name": "1"
}
],
"checked_at": "2026-10-13T23:55:48.117899+00:00"
},
{
"lcsc": "C114626",
"mpn": "RC0603FR-075R1L",
"per_board": 1,
"stock": 370275,
"supplier_loss_allowance": 10,
"supplier_least_patch": 20,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 20,
"two_pcb_screen_pass": true,
"category": "Chip Resistor - Surface Mount",
"attributes": [
{
"attribute_name_en": "Resistance",
"attribute_value_name": "5.1\u03a9"
},
{
"attribute_name_en": "Operating Temperature",
"attribute_value_name": "-55\u2103~+155\u2103"
},
{
"attribute_name_en": "Power(Watts)",
"attribute_value_name": "100mW"
},
{
"attribute_name_en": "Type",
"attribute_value_name": "Thick Film Resistor"
},
{
"attribute_name_en": "Voltage-Supply(Max)",
"attribute_value_name": "75V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b11%"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "\u00b1200ppm/\u2103"
}
],
"checked_at": "2026-10-13T23:55:48.306520+00:00"
},
{
"lcsc": "C1525",
"mpn": "CL05B104KO5NNNC",
"per_board": 6,
"stock": 23426339,
"supplier_loss_allowance": 10,
"supplier_least_patch": 20,
"supplier_min_purchase": 1,
"two_pcb_screen_required": 22,
"two_pcb_screen_pass": true,
"category": "Multilayer Ceramic Capacitors MLCC - SMD/SMT",
"attributes": [
{
"attribute_name_en": "Voltage Rating",
"attribute_value_name": "16V"
},
{
"attribute_name_en": "Tolerance",
"attribute_value_name": "\u00b110%"
},
{
"attribute_name_en": "Capacitance",
"attribute_value_name": "100nF"
},
{
"attribute_name_en": "Temperature Coefficient",
"attribute_value_name": "X7R"
}
],
"checked_at": "2026-10-13T23:55:48.853253+00:00"
}
],
"procurement_two_pcb_screen_pass": true,
"calculated_nominals": {
"charge_current_A": 0.0002013574660633484,
"termination_current_A": 0.01995475113122172,
"resistor_input_limit_A": 0.49691358024691357,
"charge_timer_hours": 6.1866666666666665,
"total_backlight_current_A": 0.04,
"battery_adc_at_4V2_V": 2.1,
"xtal_load_pF": 15.0
},
"load_budget_assumptions": {
"esp32_supply_design_A": 0.5,
"flash_other_logic_A": 0.07,
"lcd_logic_A": 0.04,
"backlight_input_A": 0.07031249999999999,
"motor_start_A": 0.12,
"note": "Design allowances, not measured simultaneous loads; transducer, efficiency, battery and wiring limits remain to qualify."
}
}
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