3 open source boards using the MS561101BA03-50
Real designs built with the MS561101BA03-50, 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.
AVR/ArduinoBATDATUNIT01
mlab-modules
136.2 × 85.9 mm206 parts2LGPL-3.05
STM32ProPrj Project Ignis 2026-06-03
Shourya-x
123.2 × 67.9 mm71 parts2LNo license3
STM32Drone
ifahmy
25.6 × 29.5 mm86 parts4LNo license1
The MS561101BA03-50 in open source designs
The gallery holds 3 open source boards using the MS561101BA03-50 from 3 GitHub repositories; a typical one measures about 123.2 × 67.9 mm and carries around 86 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is BATDATUNIT01 by mlab-modules.
Microcontrollers on boards using the MS561101BA03-50
What boards using the MS561101BA03-50 are built for
MS561101BA03-50: common questions
Where can I find a MS561101BA03-50 reference design?
Each of the 3 boards on this page is a real design using the MS561101BA03-50. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the MS561101BA03-50 use?
Most are built on STM32 (2) and AVR/Arduino (1).
How big is a typical board using the MS561101BA03-50?
The median is 123.2 × 67.9 mm, and 67% are two-layer designs.
What is the most popular open source board using the MS561101BA03-50?
By GitHub stars, BATDATUNIT01 by mlab-modules, with 5 stars.
Can I simulate one of these boards using the MS561101BA03-50 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.