2 open source boards using the APS6404L-3SQRx-ZR
Real designs built with the APS6404L-3SQRx-ZR, 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.
ESP32CForge
SamhithPola2025
27.7 × 54.5 mm49 parts2LMIT1
RP2040/RP2350Smart watch
Paarth-Shirsat
40 × 40 mm109 parts4LNo license0
The APS6404L-3SQRx-ZR in open source designs
The gallery holds 2 open source boards using the APS6404L-3SQRx-ZR from 2 GitHub repositories; a typical one measures about 33.8 × 47.2 mm and carries around 79 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is CForge by SamhithPola2025.
Microcontrollers on boards using the APS6404L-3SQRx-ZR
What boards using the APS6404L-3SQRx-ZR are built for
APS6404L-3SQRx-ZR: common questions
Where can I find a APS6404L-3SQRx-ZR reference design?
Each of the 2 boards on this page is a real design using the APS6404L-3SQRx-ZR. 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 APS6404L-3SQRx-ZR use?
Most are built on ESP32 (1) and RP2040/RP2350 (1).
How big is a typical board using the APS6404L-3SQRx-ZR?
The median is 33.8 × 47.2 mm, and 50% are two-layer designs.
What is the most popular open source board using the APS6404L-3SQRx-ZR?
By GitHub stars, CForge by SamhithPola2025, with 1 stars.
Can I simulate one of these boards using the APS6404L-3SQRx-ZR 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.