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6 layers125 × 125 mmLibreboard broken, the printed circuit board in 3D

Open Source Bitcoin Mining Control Board

Size
125 × 125 mm
Copper layers
6
Thickness
1.56 mm
Parts
193
Nets
325
Pads
1,149
Tracks, vias
2,557, 696
Pours
25
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Jan 2025
Updated
20 Oct 2026

Overview

Libreboard broken is an open-source printed circuit board by 256foundation, from the 256foundation/libreboard repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 6-layer board of 125 × 125 mm with 193 parts on 325 nets, routed with 2,557 tracks and 696 vias.

It is built around the 74LVC1G07SE-7-MS, AP3441SHE-7B and TUSB4041IPAP, with the AP22653W6, RT9742GGJ5 and RT9742SNGV among its other parts. Its parts include 71 capacitors, 41 resistors, 20 connectors, 17 ICs and 3 diodes. It belongs with the Raspberry Pi (Linux) boards of this library.

Main components

8

README

README.md

Libre-Board

Open Source Bitcoin Mining Control Board. Learn more at https://libreboard.org/

Libre Logo

Libre Board Front

Libre Board Back

Parts

193
QtyValueFootprintReferences
160.1µFCapacitor_SMD:C_0402_1005MetricC31, C32, C33, C35, C36, C37, C38, C39, C40, C41, C42, C43, C44, C45, C50, C70
1310µFCapacitor_SMD:C_0805_2012MetricC2, C4, C5, C6, C7, C8, C14, C15, C16, C17, C56, C58, C59
12100nFCapacitor_SMD:C_0402_1005MetricC1, C9, C10, C12, C13, C18, C19, C24, C25, C49, C55, C65
105.1kΩResistor_SMD:R_0402_1005MetricR25, R26, R34, R35, R36, R37, R38, R39, R40, R41
810kΩResistor_SMD:R_0402_1005MetricR15, R21, R22, R23, R24, R29, R30, R33
8MountingHolelibreboard:MountingHole_2.7mm_M2.5_DIN965H1, H2, H3, H4, H5, H6, H7, H8
61µFCapacitor_SMD:C_0402_1005MetricC22, C30, C47, C48, C54, C64
4100kΩResistor_SMD:R_0402_1005MetricR7, R14, R19, R42
410µFCapacitor_SMD:C_0402_1005MetricC21, C34, C46, C52
4FiducialFiducial:Fiducial_1mm_Mask2mmFID1, FID2, FID3, FID4
4TestPoint GNDTestPoint:TestPoint_Pad_D1.5mmTP4, TP5, TP7, TP9
4USB-Clibreboard:216989-0001_MOLJ1, J6, J10, J17
31kΩResistor_SMD:R_0402_1005MetricR1, R10, R17
333µFCapacitor_SMD:C_1206_3216MetricC27, C28, C29
3470ΩResistor_SMD:R_0402_1005MetricR2, R3, R9
347µFCapacitor_SMD:C_0402_1005MetricC66, C67, C68
2100µFCapacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-DC3, C57
2105kΩResistor_SMD:R_0402_1005MetricR11, R20
215kΩResistor_SMD:R_0402_1005MetricR12, R46
2220Ω @ 100Mhzlibreboard:BEADC1005X55NFB1, FB2
24.7µFCapacitor_SMD:C_1206_3216MetricC23, C53
24.7µHInductor_SMD:L_Bourns_SRN8040TAL2, L3
2887kΩResistor_SMD:R_0402_1005MetricR6, R18
2AP22653W6Package_TO_SOT_SMD:SOT-23-6U6, U15
2Conn_1x03_MaleConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ3, J19
2JST_BM04B-SRSS-TBConnector_JST:JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_VerticalJ14, J16
2LED GreenLED_SMD:LED_0603_1608MetricD2, D3
2PTPS55289RYQRlibreboard:RYQ0021A-MFGU4, U14
2Screw Terminallibreboard:KEYSTONE_7790J100, J101
2TPD4EUSB30Package_SON:USON-10_2.5x1.0mm_P0.5mmU1, U2
2TestPoint +3.3VTestPoint:TestPoint_Pad_D1.5mmTP3, TP8
2TestPoint I2C +3.3VTestPoint:TestPoint_Pad_D1.5mmTP12, TP16
2TestPoint I2C GNDTestPoint:TestPoint_Pad_D1.5mmTP13, TP17
112V Fan 1libreboard:CONN_SD-47053-001_H10p00_MOLJ51
112V Fan 2libreboard:CONN_SD-47053-001_H10p00_MOLJ52
112V Fan 3libreboard:CONN_SD-47053-001_H10p00_MOLJ53
112V Fan 4libreboard:CONN_SD-47053-001_H10p00_MOLJ54
11pFCapacitor_SMD:C_0402_1005MetricC63
12.2kΩResistor_SMD:R_0402_1005MetricR16
12.2µHlibreboard:L_Bourns_SRP5030CCL1
1220µFCapacitor_SMD:C_0402_1005MetricC71
122kΩResistor_SMD:R_0402_1005MetricR31
122µFCapacitor_SMD:CP_Elec_6.3x5.9C51
1270µFCapacitor_SMD:CP_Elec_6.3x9.9C69
13.9pFCapacitor_SMD:C_0402_1005MetricC60
133kΩResistor_SMD:R_0402_1005MetricR32
139µFCapacitor_SMD:CP_Elec_8x6.7C20
14.7kΩResistor_SMD:R_0402_1005MetricR28
14.7nFCapacitor_SMD:C_0402_1005MetricC11
1470pFCapacitor_SMD:C_0402_1005MetricC61
148.7kΩResistor_SMD:R_0402_1005MetricR8
150kΩResistor_SMD:R_0402_1005MetricR13
1560pFCapacitor_SMD:C_0402_1005MetricC62
156µFCapacitor_SMD:CP_Elec_5x5.9C26
174LVC1G07SE-7Package_TO_SOT_SMD:SOT-353_SC-70-5U5
19.53kΩResistor_SMD:R_0402_1005MetricR27
1AP3441SHE-7BPackage_DFN_QFN:DFN-8-1EP_2x2mm_P0.5mm_EP1.05x1.75mmU8
1ASEK-32.768KHZ-L-R-TCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mmU7
1Battery_Celllibreboard:BAT_BAT-HLD-007-SMT-TRBT1
1Bus_M.2_Socket_Mlibreboard:M.2 M Key socketJ4
1ComputeModule5-CM5libreboard:Raspberry-Pi-5-Compute-ModuleModule1
1Conn_1x22_Femalelibreboard:Hirose_FH12-22S-0.5SH_1x22-1MP_P0.50mm_HorizontalJ5
1Conn_2x07_MaleConnector_PinHeader_2.54mm:PinHeader_2x07_P2.54mm_VerticalJ2
1Conn_2x20_MaleConnector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_VerticalJ8
1Conn_HDMIlibreboard:EDAC 690-019-298-412J22
1ECS-2520MV-240-CN-TROscillator:Oscillator_SMD_ECS_2520MV-xxx-xx-4Pin_2.5x2.0mmY1
1EMC2305-x-APPackage_DFN_QFN:Texas_RGV0016A_VQFN-16-1EP_4x4mm_P0.65mm_EP2.1x2.1mm_ThermalViasU10
1LED RedLED_SMD:LED_0603_1608MetricD1
1LOGOlibreboard:opensource-hardwareG***
1MagJack-A70-112-331N126libreboard:TRJG0926HENLU3
1Micro_SD_Card_Detlibreboard:SDCARD_MOLEX_503398-1892J7
1RT9742GGJ5Package_TO_SOT_SMD:SOT-23-5U18
1RT9742SNGVPackage_TO_SOT_SMD:TSOT-23_HandSolderingU12
1Right angle Tact buttonButton_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx31-2LFSSW2
1Right angle Tact buttonButton_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx58-2LFSSW1
1SK6812libreboard:LED-SMD_4P-L4.0-W1.6-LU9
1SN74AHCT1G125DRLRlibreboard:DRL5-LU16
1TLV73311PDBVPackage_TO_SOT_SMD:SOT-23-5U13
1TUSB4041IPackage_QFP:HTQFP-64-1EP_10x10mm_P0.5mm_EP8x8mm_Mask4.4x4.4mm_ThermalViasU11
1TestPoint +5VTestPoint:TestPoint_Pad_D1.5mmTP6

The 186 most common of 193 parts.

Questions

How big is the Libreboard broken PCB?

It measures 125 × 125 mm and has 6 copper layers, 1.56 mm thick.

What parts does the Libreboard broken use?

193 parts, built around the 74LVC1G07SE-7-MS, AP3441SHE-7B, TUSB4041IPAP and AP22653W6. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Libreboard broken KiCad files?

From the 256foundation/libreboard repository on GitHub, at the commit this page was made from: the board is libreboard_broken.kicad_pcb and its schematic CM5_GPIO.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Libreboard broken design in my own project?

Its repository publishes it under the CERN-OHL-S-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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