2 open source boards using the AN231E04
Real designs built with the AN231E04, 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.
STM32
2026 STM32H7 FPAA v1
gfm16617
68.6 × 53.3 mm91 parts4LNo license3RP2040/RP2350
2026 ESP32 FPAA v3
gfm16617
68.6 × 53.3 mm82 parts4LNo license3
The AN231E04 in open source designs
The gallery holds 2 open source boards using the AN231E04 from 1 GitHub repository; a typical one measures about 68.6 × 53.3 mm and carries around 87 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is 2026 STM32H7 FPAA v1 by gfm16617.
Microcontrollers on boards using the AN231E04
AN231E04: common questions
Where can I find a AN231E04 reference design?
Each of the 2 boards on this page is a real design using the AN231E04. 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 AN231E04 use?
Most are built on RP2040/RP2350 (1) and STM32 (1).
How big is a typical board using the AN231E04?
The median is 68.6 × 53.3 mm, and 0% are two-layer designs.
What is the most popular open source board using the AN231E04?
By GitHub stars, 2026 STM32H7 FPAA v1 by gfm16617, with 3 stars.
Can I simulate one of these boards using the AN231E04 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.