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2 layers37.9 × 27 mmMini proto, the printed circuit board in 3D

Mini Prototype Breadboard

Size
37.9 × 27 mm
Copper layers
2
Thickness
1.6 mm
Parts
33
Nets
30
Pads
131
Tracks, vias
41, 0
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
8 Jan 2025
Updated
1 Apr 2025

Overview

Mini proto is an open-source printed circuit board by bablokb, from the bablokb/pcb-mini-proto repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 37.9 × 27 mm with 33 parts on 30 nets, routed with 41 tracks and 0 vias.

README

README.md

PCB Mini-Proto

A minimalistic prototyping board with 4x6x3 groups of throughholes and a micro USB-socket for power.

Schematic

Layout

3D-Views

License

CC BY-SA 4.0

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

CC BY-SA 4.0

Parts

33
QtyValueFootprintReferences
24Conproto_area:Proto_Area_03x01J1, J2, J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23 +8
4MountingHoleMountingHole:MountingHole_2.5mmH1, H2, H3, H4
2PWR_GNDConnector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_VerticalJ25, J26
1Micro-USBuser:USB_Micro-B_JLCPCB_40942USB1
1SW_GNDJumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mmJP3
1SW_PWRJumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mmJP1

Questions

How big is the Mini proto PCB?

It measures 37.9 × 27 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Mini proto use?

33 parts. 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 Mini proto KiCad files?

From the bablokb/pcb-mini-proto repository on GitHub, at the commit this page was made from: the board is mini-proto.kicad/mini-proto.kicad_pcb and its schematic mini-proto.kicad/mini-proto.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Mini proto design in my own project?

Its repository publishes it under the CC-BY-SA-4.0 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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