6 open source boards using the AP2127N-3.3
Real designs built with the AP2127N-3.3, 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.
STM32TurboCAN
henrikssn
43 × 43 mm84 parts2LNo license82
STM32RS485-Gassensor
Sarbf1
92 × 46 mm71 parts2LApache-2.03
ESP32BigBrainFinal
ashvin-verma
87.6 × 73.4 mm43 parts2LNo license0
STM32RS485-Gassensor-Dev
92 × 62 mm71 parts2LApache-2.03
AVR/ArduinoMega nRF feedthrough
michaelshiloh
99.3 × 53.6 mm7 parts2LAGPL-3.014
Z encoder
dennisss
30 × 30 mm7 parts2LApache-2.0381
The AP2127N-3.3 in open source designs
The gallery holds 6 open source boards using the AP2127N-3.3 from 5 GitHub repositories; a typical one measures about 89.8 × 49.8 mm and carries around 57 components.
100% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.
The most starred is Z encoder by dennisss.
Microcontrollers on boards using the AP2127N-3.3
What boards using the AP2127N-3.3 are built for
AP2127N-3.3: common questions
Where can I find a AP2127N-3.3 reference design?
Each of the 6 boards on this page is a real design using the AP2127N-3.3. 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 AP2127N-3.3 use?
Most are built on STM32 (3), AVR/Arduino (1) and ESP32 (1).
How big is a typical board using the AP2127N-3.3?
The median is 89.8 × 49.8 mm, and 100% are two-layer designs.
What is the most popular open source board using the AP2127N-3.3?
By GitHub stars, Z encoder by dennisss, with 381 stars.
Can I simulate one of these boards using the AP2127N-3.3 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.