3 open source boards using the AP2127K-1.8
Real designs built with the AP2127K-1.8, 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
R2RDAC2026 REVIZE II
ERDALECE
246 × 120 mm919 parts6LGPL-3.05Microchip SAM
Gb walkie talkie
idlehandsdev
65 × 67.5 mm66 parts2LNo license4Optical tracking sensor paw 3395
manyetox
19.3 × 24 mm17 parts2LCC-BY-NC-4.01
The AP2127K-1.8 in open source designs
The gallery holds 3 open source boards using the AP2127K-1.8 from 3 GitHub repositories; a typical one measures about 65 × 67.5 mm and carries around 66 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is R2RDAC2026 REVIZE II by ERDALECE.
Microcontrollers on boards using the AP2127K-1.8
What boards using the AP2127K-1.8 are built for
AP2127K-1.8: common questions
Where can I find a AP2127K-1.8 reference design?
Each of the 3 boards on this page is a real design using the AP2127K-1.8. 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 AP2127K-1.8 use?
Most are built on Microchip SAM (1) and STM32 (1).
How big is a typical board using the AP2127K-1.8?
The median is 65 × 67.5 mm, and 67% are two-layer designs.
What is the most popular open source board using the AP2127K-1.8?
By GitHub stars, R2RDAC2026 REVIZE II by ERDALECE, with 5 stars.
Can I simulate one of these boards using the AP2127K-1.8 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.