

Breakpanel
The Sekura Monero Hardware Wallet
- Size
- 145 × 165 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 690
- Nets
- 167
- Pads
- 3,226
- Tracks, vias
- 6,030, 1,404
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Oct 2017
- Updated
- 28 Jan 2020
Overview
Breakpanel is an open-source printed circuit board by monero-project, from the monero-project/kastelo repository on GitHub. It is a 2-layer board of 145 × 165 mm with 690 parts on 167 nets, routed with 6,030 tracks and 1,404 vias.
It is built around the CP2102N-EK, BAT54C and SP0503BAHTG. Its parts include 156 capacitors, 132 resistors, 66 connectors, 42 diodes and 36 ICs.
Main components
3CP2102N-EK
-- USB Conversion Modules ROHSSilicon LabsUSB Conversion ModulesBAT54C
SOT-231 Pair Common Cathode 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSNexperiaSchottky DiodesSP0503BAHTG
SOT-143-55℃~+125℃ 10A@8/20us 14V 150W@8/20us 30pF、60pF 5.5V 6V 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
README
hardware/breakneck/README.mdHardware Breakneck Design
The Breakneck design includes rich features typical of a developer edition hardware wallet.
Getting Started
The Breakneck design consists of several files, some which are not tracked in revision control but are part of project releases.
- breakneck.pro (KiCad project)
- breakneck.sch (KiCad schematic)
- breakneck.kicad_pcb (KiCad layout)
- libraries (KiCad libraries)
- modules (KiCad footprints)
Fabrication subdirectories contain files meant for printing, assembly, and other production work.
- billofmat (Bill of materials generated from the layout)
- fabpanel (Gerber files for printing panelized PCBs)
- fabraster (3D rendition of a single PCB layout)
- fabsingle (Gerber files for printing single PCBs)
- fabvector (Vector files useful for mechanical engineering)
Other subdirectories exist to provide conveniently formatted files generated from source.
- release (Tested distribution release files containing change logs)
- schematic (Copy of breakneck.sch converted to common graphic formats)
A Makefile serves project management tasks allowing for scripting and automation.
- Makefile (A GNU Makefile facilitating command line project tasks)
Parts
690| Qty | Value | Footprint | References |
|---|---|---|---|
| 66 | 1uF | Monero_Local:C_0805 | C10, C10, C10, C10, C10, C10, C12, C12, C12, C12, C12, C12, C18, C18, C18, C18 +50 |
| 60 | 100nF | Monero_Local:C_0805 | C1, C1, C1, C1, C1, C1, C11, C11, C11, C11, C11, C11, C15, C15, C15, C15 +44 |
| 36 | Fiducial-PCB | Monero_Local:Fiducial_1mm_Dia_2.54mm_Outer_CopperTop | FID1, FID1, FID1, FID1, FID1, FID1, FID2, FID2, FID2, FID2, FID2, FID2, FID3, FID3, FID3, FID3 +20 |
| 24 | 100K | Monero_Local:R_0805 | R8, R8, R8, R8, R11, R11, R11, R11, R11, R11, R26, R26, R26, R26, R26, R26 +8 |
| 24 | LED | Monero_Local:LED_0805 | D6, D6, D6, D6, D6, D6, D7, D7, D7, D7, D7, D7, RX, RX, RX, RX +8 |
| 18 | 150 | Monero_Local:R_0805 | OTP, OTP, OTP, OTP, OTP, OTP, R27, R27, R27, R27, R27, R27, R28, R28, R28, R28 +2 |
| 18 | Mountinghole-440 | Monero_Local:MountingHole_3mm_Pad_Via | MH1, MH1, MH1, MH1, MH1, MH1, MH2, MH2, MH2, MH2, MH2, MH2, MH3, MH3, MH3, MH3 +2 |
| 14 | Panel_Mousetab_25mm_Double | Monero_Local:Panel_Mousetab_25mm_Double | TAB3, TAB4, TAB7, TAB8, TAB9, TAB10, TAB13, TAB14, TAB17, TAB18, TAB19, TAB20, TAB23, TAB24 |
| 12 | 0 | Monero_Local:R_0805 | R1, R1, R1, R1, R1, R1, R7, R7, R7, R7, R7, R7 |
| 12 | 15pF | Monero_Local:C_0805 | C6, C6, C6, C6, C6, C6, C7, C7, C7, C7, C7, C7 |
| 12 | 2.4K | Monero_Local:R_0805 | R16, R16, R16, R16, R16, R16, R17, R17, R17, R17, R17, R17 |
| 12 | 220 | Monero_Local:R_0805 | R20, R20, R20, R20, R20, R20, R21, R21, R21, R21, R21, R21 |
| 12 | 3.9K | Monero_Local:R_0805 | R5, R5, R5, R5, R5, R5, R6, R6, R6, R6, R6, R6 |
| 12 | 470nF | Monero_Local:C_0805 | C3, C3, C3, C3, C3, C3, C14, C14, C14, C14, C14, C14 |
| 12 | GS2 | Monero_Local:R_0805 | J10, J10, J10, J10, J10, J10, J15, J15, J15, J15, J15, J15 |
| 12 | Jumper | Monero_Local:Pin_Header_Angled_1x02_Pitch2.54mm | JP1, JP1, JP1, JP1, JP1, JP1, JP2, JP2, JP2, JP2, JP2, JP2 |
| 12 | Mousetab_3Hole | Monero_HW:Panel_Mousetab_25mm_Single | TAB1, TAB2, TAB5, TAB6, TAB11, TAB12, TAB15, TAB16, TAB21, TAB22, TAB25, TAB26 |
| 12 | SW_SPST | Monero_Local:SW_SPST_K21102SP | SW1, SW1, SW1, SW1, SW1, SW1, SW2, SW2, SW2, SW2, SW2, SW2 |
| 6 | 1.5K | Monero_Local:R_0805 | R15, R15, R15, R15, R15, R15 |
| 6 | 10 | Monero_Local:R_0805 | R10, R10, R10, R10, R10, R10 |
| 6 | 100 | Monero_Local:R_0805 | R13, R13, R13, R13, R13, R13 |
| 6 | 10K | Monero_Local:R_0805 | R4, R4, R4, R4, R4, R4 |
| 6 | 12K | Monero_Local:R_0805 | R2, R2, R2, R2, R2, R2 |
| 6 | 1K | Monero_Local:R_0805 | R25, R25, R25, R25, R25, R25 |
| 6 | 2.2uF | Monero_Local:C_0805 | C13, C13, C13, C13, C13, C13 |
| 6 | 22.1K | Monero_Local:R_0805 | R18, R18, R18, R18, R18, R18 |
| 6 | 22K | Monero_Local:R_0805 | R3, R3, R3, R3, R3, R3 |
| 6 | 390K | Monero_Local:R_0805 | R12, R12, R12, R12, R12, R12 |
| 6 | 47.5K | Monero_Local:R_0805 | R19, R19, R19, R19, R19, R19 |
| 6 | ATECC508A | Monero_Local:DFN-8-1EP_2x3mm_Pitch0.5mm | U1, U1, U1, U1, U1, U1 |
| 6 | BAT54C | Monero_Local:SOT-23 | D1, D1, D1, D1, D1, D1 |
| 6 | Badgelife_shitty | Monero_Local:Badgelife-Shitty-2x2 | X1, X1, X1, X1, X1, X1 |
| 6 | Battery_Cell | Monero_Local:Keystone_3000_1x12mm-CoinCell | BT1, BT1, BT1, BT1, BT1, BT1 |
| 6 | CEC1702 | Monero_Local:WFBGACEC1702 | U3, U3, U3, U3, U3, U3 |
| 6 | CONN_DEDI | Monero_Local:Pin_Header_Straight_2x04_Pitch2.54mm | J2, J2, J2, J2, J2, J2 |
| 6 | CONN_EAST | Monero_Local:Pin_Header_Straight_1x20_Pitch2.54mm | J6, J6, J6, J6, J6, J6 |
| 6 | CONN_JST | Monero_Local:JST_PH_B2B-PH-K_02x2.00mm_Straight | J16, J16, J16, J16, J16, J16 |
| 6 | CONN_JTAG_6P | Monero_Local:PinSocket_2x05_P2.54mm_Vertical | J12, J12, J12, J12, J12, J12 |
| 6 | CONN_JTAG_TC | Monero_Local:Tag-Connect_TC2050-IDC-NL | J8, J8, J8, J8, J8, J8 |
| 6 | CONN_OLED | Monero_Local:Socket_Strip_Straight_1x07_Pitch2.54mm | J3, J3, J3, J3, J3, J3 |
| 6 | CONN_SOUTH | Monero_Local:Pin_Header_Straight_1x14_Pitch2.54mm | J5, J5, J5, J5, J5, J5 |
| 6 | CONN_WEST | Monero_Local:Pin_Header_Straight_1x20_Pitch2.54mm | J1, J1, J1, J1, J1, J1 |
| 6 | CP2102N | Monero_Local:QFN-28-1EP_5x5mm_Pitch0.5mm | U4, U4, U4, U4, U4, U4 |
| 6 | Crystal | Monero_Local:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1, Y1, Y1, Y1, Y1, Y1 |
| 6 | D_PMEG | Monero_Local:D_SOD-123 | D5, D5, D5, D5, D5, D5 |
| 6 | ER-CON30 | Monero_Local:Eastrising_ER-CON30HT-1_01x30_P0.50mm | DS1, DS1, DS1, DS1, DS1, DS1 |
| 6 | LN6206P15M | Monero_Local:SOT-23 | U7, U7, U7, U7, U7, U7 |
| 6 | LN6206P33M | Monero_Local:SOT-23 | U6, U6, U6, U6, U6, U6 |
| 6 | Monerologo-mid | Monero_Local:MoneroCircleCombi | LOGO1, LOGO1, LOGO1, LOGO1, LOGO1, LOGO1 |
| 6 | Monerologo-txt | MoneroTextSilk | LOGOTXT1, LOGOTXT1, LOGOTXT1, LOGOTXT1, LOGOTXT1, LOGOTXT1 |
| 6 | MountingHole_2.5mm | Mounting_Holes:MountingHole_2.5mm | SH1, SH1, SH1, SH1, SH2, SH2 |
| 6 | SP0503BAHTG | Monero_Local:SOT-143 | D2, D2, D2, D2, D2, D2 |
| 6 | SST26VF064B | Monero_Local:DFN-S-8-1EP_6x5mm_Pitch1.27mm | U2, U2, U2, U2, U2, U2 |
| 6 | T3V3 | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP14, TP14, TP14, TP14, TP14, TP14 |
| 6 | T5V | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP5, TP5, TP5, TP5, TP5, TP5 |
| 6 | TBT | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP12, TP12, TP12, TP12, TP12, TP12 |
| 6 | TCRY1 | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP1, TP1, TP1, TP1, TP1, TP1 |
| 6 | TCRY2 | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP2, TP2, TP2, TP2, TP2, TP2 |
| 6 | TPLL1 | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP15, TP15, TP15, TP15, TP15, TP15 |
| 6 | TPLL2 | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP13, TP13, TP13, TP13, TP13, TP13 |
| 6 | TSED | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP10, TP10, TP10, TP10, TP10, TP10 |
| 6 | TUART_RX | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP22, TP22, TP22, TP22, TP22, TP22 |
| 6 | TUART_TX | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP21, TP21, TP21, TP21, TP21, TP21 |
| 6 | TUSBN | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP19, TP19, TP19, TP19, TP19, TP19 |
| 6 | TUSBP | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP20, TP20, TP20, TP20, TP20, TP20 |
| 6 | TVDD | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP18, TP18, TP18, TP18, TP18, TP18 |
| 6 | TWHAT | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP6, TP6, TP6, TP6, TP6, TP6 |
| 6 | USB_C_Receptacle | Monero_Local:USB_C_Receptacle_Amphenol_12401610E4-2A | J4, J4, J4, J4, J4, J4 |
| 6 | VOTP | Monero_Local:TestPoint_THTPad_D1.5mm_Drill0.7mm | VOTP, VOTP, VOTP, VOTP, VOTP, VOTP |
| 4 | Fiducial_Passermarke | Fiducials:Fiducial_1mm_Dia_2mm_Outer | FID4, FID4, FID6, FID6 |
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Questions
How big is the Breakpanel PCB?
It measures 145 × 165 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Breakpanel use?
690 parts, built around the CP2102N-EK, BAT54C and SP0503BAHTG. 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 Breakpanel KiCad files?
From the monero-project/kastelo repository on GitHub, at the commit this page was made from: the board is hardware/breakneck/breakpanel.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Breakpanel design in my own project?
Its repository states no licence, so its author keeps all rights: ask monero-project before reusing the design.



