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2 layers121.2 × 50 mmBREAD Loaf, the printed circuit board in 3D

BREAD Loaf

FHafting/BREAD5

This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation Device (BREAD), ''HardwareX'', 2023, e00467, https://doi.org/10.1016/j.ohx.2023.e00467.

Size
121.2 × 50 mm
Copper layers
2
Thickness
1.6 mm
Parts
8
Nets
7
Pads
73
Tracks, vias
65, 0
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
13 Feb 2024
Updated
28 Jun 2024

Overview

BREAD Loaf is an open-source printed circuit board by FHafting, from the FHafting/BREAD repository on GitHub. It is a 2-layer board of 121.2 × 50 mm with 8 parts on 7 nets, routed with 65 tracks and 0 vias.

It is built around the PPPC101LGBN-RC.

Main components

1

README

README.md

BREAD

This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation Device (BREAD), ''HardwareX'', 2023, e00467, https://doi.org/10.1016/j.ohx.2023.e00467.

All case designs can be found on Onshape: https://cad.onshape.com/documents/f4c13a5c0b1f8d88ed1f5752/w/29d0c0346ddaeb06e16ff42f/e/1077373224ada363d171e3fe?renderMode=0&uiState=65d3aad45b82c32cb51ae4c9

Parts

8
QtyValueFootprintReferences
4Conn_01x10_MaleSparkFun-Connector:BREAD 10-Pin ConnectorJ2, J3, J4, J5
1Barrel_JackConnector_BarrelJack:BarrelJack_CUI_PJ-063AH_HorizontalJ7
1Logo_Open_Hardware_SmallSymbol:OSHW-Symbol_6.7x6mm_SilkScreenLogo1
1PPPC101LGBN-RCSparkFun-Connector:1x10 RA Male Header 2.54mm PitchJ1
1PPPC101LGBN-RCConnector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_HorizontalJ6

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Questions

How big is the BREAD Loaf PCB?

It measures 121.2 × 50 mm and has 2 copper layers, 1.6 mm thick.

What parts does the BREAD Loaf use?

8 parts, built around the PPPC101LGBN-RC. 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 BREAD Loaf KiCad files?

From the FHafting/BREAD repository on GitHub, at the commit this page was made from: the board is [LOAF_x04] LOAF Backplane Extender x04/Hardware/BREAD_Loaf.kicad_pcb and its schematic [LOAF_ESPTP] ESP32 Thing Plus Controller/Hardware/BREAD_Loaf.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the BREAD Loaf design in my own project?

Its repository states no licence, so its author keeps all rights: ask FHafting before reusing the design.