2 open source boards using the PCA9634
Real designs built with the PCA9634, 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.
Nano-Play-Board
AntonioMR
100 × 49.7 mm107 parts2LNo license12
ESP8266Wifi PB
100 × 49.7 mm161 parts2LNo license29
The PCA9634 in open source designs
The gallery holds 2 open source boards using the PCA9634 from 2 GitHub repositories; a typical one measures about 100 × 49.7 mm and carries around 134 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Wifi PB by AntonioMR.
Parts used alongside the PCA9634
Microcontrollers on boards using the PCA9634
What boards using the PCA9634 are built for
PCA9634: common questions
Where can I find a PCA9634 reference design?
Each of the 2 boards on this page is a real design using the PCA9634. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the PCA9634?
The 40106, MCP23017 and MMA7660FC appear in the most repositories here.
Which microcontrollers do boards using the PCA9634 use?
Most are built on ESP8266 (1).
How big is a typical board using the PCA9634?
The median is 100 × 49.7 mm, and 100% are two-layer designs.
What is the most popular open source board using the PCA9634?
By GitHub stars, Wifi PB by AntonioMR, with 29 stars.
Can I simulate one of these boards using the PCA9634 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.