3 open source boards using the TCA9544APWR
Real designs built with the TCA9544APWR, 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.
STM32Ventilator Main Board
RespiraWorks
350 × 155 mm646 parts4LApache-2.0168
ESP32PCB-Modular-Multi-Protocol-Hub
MbFredys
79.7 × 63.1 mm208 parts4LCERN-OHL-W-2.07
FPGAZynqinator
rkarl2
100 × 102 mm631 parts8LAGPL-3.01
The TCA9544APWR in open source designs
The gallery holds 3 open source boards using the TCA9544APWR from 3 GitHub repositories; a typical one measures about 100 × 102 mm and carries around 631 components.
100% use four copper layers or more, and 100% carry an open source license.
The most starred is Ventilator Main Board by RespiraWorks.
What boards using the TCA9544APWR are built for
TCA9544APWR: common questions
Where can I find a TCA9544APWR reference design?
Each of the 3 boards on this page is a real design using the TCA9544APWR. 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 TCA9544APWR use?
Most are built on ESP32 (1), FPGA (1) and STM32 (1).
How big is a typical board using the TCA9544APWR?
The median is 100 × 102 mm, and 0% are two-layer designs.
What is the most popular open source board using the TCA9544APWR?
By GitHub stars, Ventilator Main Board by RespiraWorks, with 168 stars.
Can I simulate one of these boards using the TCA9544APWR 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.