2 open source boards using the MB85RS256B
Real designs built with the MB85RS256B, 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.
RP2040/RP2350
DBGC
deltabeard
51.4 × 60.6 mm65 parts4LNo license56AVR/Arduino
Fram prototype
uw-madison-chem-shops
91.4 × 66 mm25 parts2LCERN-OHL-P-2.01
The MB85RS256B in open source designs
The gallery holds 2 open source boards using the MB85RS256B from 2 GitHub repositories; a typical one measures about 71.4 × 63.3 mm and carries around 45 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is DBGC by deltabeard.
Microcontrollers on boards using the MB85RS256B
What boards using the MB85RS256B are built for
MB85RS256B: common questions
Where can I find a MB85RS256B reference design?
Each of the 2 boards on this page is a real design using the MB85RS256B. 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 MB85RS256B use?
Most are built on AVR/Arduino (1) and RP2040/RP2350 (1).
How big is a typical board using the MB85RS256B?
The median is 71.4 × 63.3 mm, and 50% are two-layer designs.
What is the most popular open source board using the MB85RS256B?
By GitHub stars, DBGC by deltabeard, with 56 stars.
Can I simulate one of these boards using the MB85RS256B 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.