3 open source boards using the BMA400
Real designs built with the BMA400, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Open smartwatch light
Open-Smartwatch
36.1 × 36.1 mm51 parts4LGPL-3.0246
Open smartwatch gps
45 × 41 mm67 parts4LGPL-3.0241
Nordic nRFShio Rev A
uw-x
50.2 × 24.2 mm67 parts2LCERN-OHL-W-2.017
The BMA400 in open source designs
The gallery holds 3 open source boards using the BMA400 from 3 GitHub repositories; a typical one measures about 45 × 36.1 mm and carries around 67 components.
67% use four copper layers or more, and 100% carry an open source license.
The most starred is Open smartwatch light by Open-Smartwatch.
Parts used alongside the BMA400
Microcontrollers on boards using the BMA400
What boards using the BMA400 are built for
BMA400: common questions
Where can I find a BMA400 reference design?
Each of the 3 boards on this page is a real design using the BMA400. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the BMA400?
The CH340E, DS3231MZ, GC9A01_IPS_display, MCP73831T-2ACI_OT and TPS2115A appear in the most repositories here.
Which microcontrollers do boards using the BMA400 use?
Most are built on Nordic nRF (1).
How big is a typical board using the BMA400?
The median is 45 × 36.1 mm, and 33% are two-layer designs.
What is the most popular open source board using the BMA400?
By GitHub stars, Open smartwatch light by Open-Smartwatch, with 246 stars.
Can I simulate one of these boards using the BMA400 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.