Reference layout

Coffee Scale

orlopau-coffee-scale-coffee-scale-layout

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orlopau-coffee-scale-coffee-scale-layout

The project archive carries the board, its project file and the upstream licence. The archive is zstd-compressed (tar.zst).

55Placed parts
61Nets
2Copper layers
68 × 81.45 mmBoard size
yesRouted
KiCad 8File format

Bill of materials

55 distinct parts

53 resolve to something in the catalog — click through to the footprint.

RefValueFootprintQty
BZ1BuzzerBuzzer_Beeper:Buzzer_12x9.5RM7.6
C10.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C104.7uFCapacitor_SMD:C_0805_2012Metric
C114.7uFCapacitor_SMD:C_0805_2012Metric
C121uFCapacitor_SMD:C_0805_2012Metric
C131uFCapacitor_SMD:C_0805_2012Metric
C140.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C150.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C210uFCapacitor_SMD:C_1206_3216Metric
C310uFCapacitor_SMD:C_1206_3216Metric
C40.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C510uFCapacitor_SMD:C_1206_3216Metric
C60.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C70.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
C810uFCapacitor_SMD:C_1206_3216Metric
C90.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder
D1LEDLED_SMD:LED_1206_3216Metric
D21N5819Diode_SMD:D_SMA_Handsoldering
D3SMAJ6.0CADiode_SMD:D_SMA
H1MountingHoleLoadcellMountingHole:MountingHole_5.3mm_M5_ISO7380
H2MountingHoleLoadcellMountingHole:MountingHole_5.3mm_M5_ISO7380
J1Conn_LoadCellConnector_Wire:SolderWire-0.5sqmm_1x05_P4.8mm_D0.9mm_OD2.3mm
J2Conn_DisplayConnector_Wire:SolderWire-0.5sqmm_1x04_P4.8mm_D0.9mm_OD2.3mm
J3Conn_UARTConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal
J4Conn_LiPoConnector_Wire:SolderWire-0.5sqmm_1x02_P4.8mm_D0.9mm_OD2.3mm
J5Conn_G13Connector_Wire:SolderWire-0.5sqmm_1x02_P4.8mm_D0.9mm_OD2.3mm
P1USB-C-6PinCustom:USB_C_6Pin
Q1MMBT4403Package_TO_SOT_SMD:SOT-23
Q2IRLML6402Package_TO_SOT_SMD:SOT-23
Q3IRLML2502Package_TO_SOT_SMD:SOT-23
Q4IRLML2502Package_TO_SOT_SMD:SOT-23
R110kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R1047kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R1147kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R1247kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R135.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R145.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R151kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R210kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3100Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
Show the other 15
R4100Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5100Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R610kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R78.2kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R82kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R9130Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
SW1SW_ENButton_Switch_THT:SW_PUSH_6mm_H5mm
SW2SW_BootButton_Switch_THT:SW_PUSH_6mm_H5mm
SW3RotaryEncoder_SwitchRotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm
SW4SW_PowerConnector_Wire:SolderWire-0.5sqmm_1x02_P4.8mm_D0.9mm_OD2.3mm
U1ESP32-WROOM-32RF_Module:ESP32-WROOM-32
U2HX711Package_SO:SOP-16_3.9x9.9mm_P1.27mm
U3MCP73831-2-OTPackage_TO_SOT_SMD:SOT-23-5
U4AP2112K-3.3Package_TO_SOT_SMD:SOT-23-5
U5DW01-PPackage_TO_SOT_SMD:SOT-23-6_Handsoldering

Provenance

Commit
unknown
Licence
CC-BY-4.0

How it is used

Trace's agent reads this design as context — what parts a board like this carries, how they are grouped across sheets, what a plausible layer stack and board size look like for the job. It is not copied. The licence above is permissive, and it, the repository and the commit are recorded so the origin of anything derived from it is always answerable.