4 layers65 × 39.1 mm BB SPEM A-1 Breakout, the printed circuit board in 3D

BB SPEM A-1 Breakout

Design files associated with SPEBlox Module for Design Integration

Size: 65 × 39.1 mm
Copper layers: 4
Thickness: 1.6 mm
Parts: 17
Nets: 35
Pads: 99
Tracks, vias: 167, 17
Pours: 1
Routed: Yes
KiCad: KiCad 8.0 (file 20240108)
Created: 15 Jul 2025
Updated: 15 Jul 2025

Overview

BB SPEM A-1 Breakout is an open-source printed circuit board by botblox, from the botblox/SPEBlox-Module-Documentation repository on GitHub, published under the MIT licence. It is a 4-layer board of 65 × 39.1 mm with 17 parts on 35 nets, routed with 167 tracks and 17 vias.

It is built around the APHHS1005CGCK, ARJM11D7-502-AB-EW2 and M20-9990246. Its parts include 7 connectors, 2 capacitors, 2 resistors and 2 diodes. It belongs with the interfaces and adapters boards of this library.

Main components

README

README.md

SPEBlox-Module-Documentation

Design files associated with SPEBlox Module for Design Integration

Parts

Qty	Value	Footprint	References
4	MountingHole_Pad	MountingHole:MountingHole_2.2mm_M2_DIN965_Pad	H1, H2, H3, H4
3	691210910002	Kpk:TerminalBlock_WurthElektronik_691210910002_1x02_P2.54mm_Horizontal	J2, J3, J4
2	0.1uF	Kpk:C_0402_Small	C1, C2
2	GREEN	LED_SMD:LED_0402_1005Metric	D1, D2
1	1K	Resistor_SMD:R_0402_1005Metric	R1
1	2.2K	Resistor_SMD:R_0402_1005Metric	R2
1	ARJM11D7-502-AB-EW2	ARJM11D7-502-AB-EW2:ABRACON_ARJM11D7-502-AB-EW2	J6
1	BB-SPEM-A-1	Kpk:BB-SPEM-A-1_Footprint	J1
1	Conn_01x02_Pin	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J5
1	Conn_ARM_SWD_TagConnect_TC2030-NL	Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical	J8

Questions

How big is the BB SPEM A-1 Breakout PCB?

It measures 65 × 39.1 mm and has 4 copper layers, 1.6 mm thick.

What parts does the BB SPEM A-1 Breakout use?

17 parts, built around the APHHS1005CGCK, ARJM11D7-502-AB-EW2 and M20-9990246. 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 BB SPEM A-1 Breakout KiCad files?

From the botblox/SPEBlox-Module-Documentation repository on GitHub, at the commit this page was made from: the board is BB-SPEMEVAL-A-1 BREAKOUT BOARD DESIGN FILES/Source Kicad Files/BB-SPEM-A-1 Breakout.kicad_pcb and its schematic BB-SPEMEVAL-A-1 BREAKOUT BOARD DESIGN FILES/Source Kicad Files/BB-SPEM-A-1 Breakout.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the BB SPEM A-1 Breakout design in my own project?

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

Category and platform

Interfaces and adapters

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/botblox-speblox-module-documentation" title="BB SPEM A-1 Breakout in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/botblox-speblox-module-documentation.jpg" alt="BB SPEM A-1 Breakout" width="1200" height="900">

A picture that opens the board, for a README

[![BB SPEM A-1 Breakout](https://pcbkit.io/embed/boards/botblox-speblox-module-documentation.jpg?size=s)](https://pcbkit.io/boards/botblox-speblox-module-documentation)

Source

Repository: botblox/SPEBlox-Module-Documentation
Board file: BB-SPEMEVAL-A-1 BREAKOUT BOARD DESIGN FILES/Source Kicad Files/BB-SPEM-A-1 Breakout.kicad_pcb
Commit: 4b81e35
Licence: MIT

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