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Reference layout

BivalveBit

millerlp-BivalveBit_hardware-BivalveBit_hardware-layout

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millerlp-BivalveBit_hardware-BivalveBit_hardware-layout

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

52Placed parts
56Nets
2Copper layers
102.74 × 17.78 mmBoard size
yesRouted
KiCad 5File format

Bill of materials

52 distinct parts

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

RefValueFootprintQty
32.768kHzSSP-T7-FCrystal_Seiko_SSPT:OSC_SSP-T7-F
C10.1uFCapacitor_SMD:C_0603_1608Metric
C20.1uFCapacitor_SMD:C_0603_1608Metric
C31uFCapacitor_SMD:C_0603_1608Metric
C40.1uFCapacitor_SMD:C_0603_1608Metric
C51uFCapacitor_SMD:C_0603_1608Metric
C60.1uFCapacitor_SMD:C_0603_1608Metric
C710uFCapacitor_SMD:C_0603_1608Metric
C80.1uFCapacitor_SMD:C_0603_1608Metric
D1LEDLED_SMD:LED_0805_2012Metric
FTDIConn_01x06Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Horizontal
HALL_SENSOR1Conn_01x04_MaleConnector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical
HEART_SENSOR1Conn_01x04_MaleConnector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical
J1Conn_01x02_MaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical
J2Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
J3Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
J4Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
J5Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
J6Conn_01x03_MaleConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical
J7Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
J8Conn_01x01_MaleConnector_Pin:Pin_D1.0mm_L10.0mm
OLED1Conn_01x04Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical
PRIMARY_BATTERY1Conn_01x02Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical
PROGRAM_HEADER1TC2030-IDC-NL-UPDIConnector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical
Q1BSS138Package_TO_SOT_SMD:SOT-23
Q2BSS138Package_TO_SOT_SMD:SOT-23
Q3IRLML5203 or BH203,215Package_TO_SOT_SMD:SOT-23
R110kResistor_SMD:R_0603_1608Metric
R1047k 1%Resistor_SMD:R_0603_1608Metric
R1110kResistor_SMD:R_0603_1608Metric
R1247k 1%Resistor_SMD:R_0603_1608Metric
R1310kResistor_SMD:R_0603_1608Metric
R1410kResistor_SMD:R_0603_1608Metric
R1510kResistor_SMD:R_0603_1608Metric
R162.2kResistor_SMD:R_0603_1608Metric
R172.2kResistor_SMD:R_0603_1608Metric
R210kResistor_SMD:R_0603_1608Metric
R3100kResistor_SMD:R_0603_1608Metric
R42.2kResistor_SMD:R_0603_1608Metric
R52.2kResistor_SMD:R_0603_1608Metric
Show the other 12
R6100kResistor_SMD:R_0603_1608Metric
R7100ohmResistor_SMD:R_0603_1608Metric
R8100kResistor_SMD:R_0603_1608Metric
R910kResistor_SMD:R_0603_1608Metric
RESETPTS525SM15SMTR2LFSSwitch_CK_PTS525SM15SMTR2:SW_PTS525SM15SMTR2LFS
RTC_BATT1Battery_CellBattery:BatteryHolder_Keystone_3000_1x12mm_small_pad
SW2SW_ReedButton_Switch_SMD:SW_SPST_REED_CT10-XXXX-G1
U1PCF8523TSPackage_SO:TSSOP-14_4.4x5mm_P0.65mm
U2ATmega4808Package_QFP:TQFP-32_7x7mm_P0.8mm
U3LP5907Package_TO_SOT_SMD:SOT-23-5
U4FMMT619TAPackage_TO_SOT_SMD:SOT-23
microSD47219-2001MOLEX_microSD_47219-2001:MOLEX_47219-2001

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.