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2 layers31.8 × 38.1 mmPro micro breakout, the printed circuit board in 3D

my pro micro breakout board for my dactyl manuform

Size
31.8 × 38.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
10
Nets
27
Pads
64
Tracks, vias
121, 0
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
27 Jun 2026
Updated
27 Jun 2026

Overview

Pro micro breakout is an open-source printed circuit board by Edgaru089, from the Edgaru089/pro_micro_breakout repository on GitHub. It is a 2-layer board of 31.8 × 38.1 mm with 10 parts on 27 nets, routed with 121 tracks and 0 vias.

Its parts include 6 connectors and 1 IC. It belongs with the interfaces and adapters boards and the AVR (ATmega, ATtiny) boards of this library.

Parts

10
QtyValueFootprintReferences
1Arduino_Pro_MicroScottoKeebs_MCU:Arduino_Pro_Micro_FlippedU1
1AudioJack4ScottoKeebs_Components:TRRS_PJ-320AJ1
1Conn_01x02_PinConnector_PinHeader_1.00mm:PinHeader_1x02_P1.00mm_VerticalJ7
1Conn_01x03_PinConnector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_VerticalJ5
1Conn_01x06_PinConnector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_VerticalJ2
1Conn_01x08_PinConnector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_VerticalJ3
1Conn_01x12_PinConnector_PinSocket_2.54mm:PinSocket_1x12_P2.54mm_VerticalJ4

The 7 most common of 10 parts.

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Questions

How big is the Pro micro breakout PCB?

It measures 31.8 × 38.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Pro micro breakout use?

10 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 Pro micro breakout KiCad files?

From the Edgaru089/pro_micro_breakout repository on GitHub, at the commit this page was made from: the board is Pro_Micro_Breakout.kicad_pcb and its schematic Pro_Micro_Breakout.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Pro micro breakout design in my own project?

Its repository states no licence, so its author keeps all rights: ask Edgaru089 before reusing the design.