HardLabs

Breakout

dcmini-org·dcmini-hw·breakout/breakout.kicad_pcb

Breakout layout, top view — open source board by dcmini-org

About the Breakout

Breakout is an open source PCB design by dcmini-org, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 98 × 97.2 mm, with 8 components from 6 distinct parts.

Other key parts include the DCM_B2B. By type, the board carries 4 resistors, 3 connectors and 1 IC.

It belongs with the power & battery, sensors and iot & wireless designs in this gallery.

From the project

dcmini hardware repository

© 2025 The Johns Hopkins University Applied Physics Laboratory LLC

DCMini is a miniaturized biopotential amplifier and multi-sensor system designed for research applications in brain-computer interfaces (BCI), muscular interfaces, and closed-loop biofeedback. It combines a flexible set of sensors with powerful wireless telemetry and SD logging — in a package you can stick on your head.

Breakout, from the project README
From the project README

Main components on the Breakout

DCM_B2B

Breakout bill of materials (BOM)

8 components, 6 distinct parts.

QtyPartRefs
1
DCM_B2B
U1
1
USB_EXT
J1
1
AFE
J2
1
EXT
J4
2
5.1k
R1, R2
2
24
R3, R4

Breakout design files

The KiCad project lives in the dcmini-org/dcmini-hw repository on GitHub; these links point at the commit this page was built from.

Breakout: common questions

How big is the Breakout?

The Breakout measures 98 × 97.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Breakout?

8 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Breakout design files?

From the dcmini-org/dcmini-hw repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Breakout design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which dcmini-org chose for the repository.

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