11 open source boards using the XC6220B331MR
Real designs built with the XC6220B331MR, 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.
STM32Moco-RD501
ziteh
50 × 50 mm114 parts4LCERN-OHL-P-2.022
ESP32Tuxmini v03
tux-friend
32 × 32 mm78 parts2LGPL-3.018
RP2040/RP2350Corne cherry
yangxing844
145.5 × 107.5 mm204 parts4LNo license1
ESP32Esp32BatCharger
dwanpo
89.8 × 41.5 mm91 parts2LNo license1
STM32Moco-SC1
40 × 40 mm102 parts4LCERN-OHL-P-2.022
STM32Moco-OD501
60 × 60 mm92 parts4LCERN-OHL-P-2.022
STM32Moco pg4
40 × 40 mm90 parts4LCERN-OHL-P-2.022
Moco-RD321
32 × 32 mm81 parts4LCERN-OHL-P-2.022
STM32Moco rc1
35 × 35 mm80 parts4LCERN-OHL-P-2.022
STM32Moco-OI401
40 × 40 mm65 parts2LCERN-OHL-P-2.022
Moco-BKD8316
35.5 × 41 mm41 parts2LCERN-OHL-P-2.022
The XC6220B331MR in open source designs
The gallery holds 11 open source boards using the XC6220B331MR from 4 GitHub repositories; a typical one measures about 40 × 40 mm and carries around 90 components.
64% use four copper layers or more, and 82% carry an open source license.
The most starred is Moco-RD501 by ziteh.
Microcontrollers on boards using the XC6220B331MR
What boards using the XC6220B331MR are built for
XC6220B331MR: common questions
Where can I find a XC6220B331MR reference design?
Each of the 11 boards on this page is a real design using the XC6220B331MR. 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 XC6220B331MR use?
Most are built on STM32 (6), ESP32 (2) and RP2040/RP2350 (1).
How big is a typical board using the XC6220B331MR?
The median is 40 × 40 mm, and 36% are two-layer designs.
What is the most popular open source board using the XC6220B331MR?
By GitHub stars, Moco-RD501 by ziteh, with 22 stars.
Can I simulate one of these boards using the XC6220B331MR 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.