3 open source boards using the TCA9555PWR
Real designs built with the TCA9555PWR, 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.
Alexi2C
F6ITU
50 × 100 mm22 parts2LNo license4
ESP32Teacup carrier
thingino
257 × 117.5 mm133 parts4LGPL-3.01
ESP32Teacup carrier merge test
257 × 117.5 mm131 parts4LGPL-3.01
The TCA9555PWR in open source designs
The gallery holds 3 open source boards using the TCA9555PWR from 2 GitHub repositories; a typical one measures about 257 × 117.5 mm and carries around 131 components.
67% use four copper layers or more, and 67% carry an open source license.
The most starred is Alexi2C by F6ITU.
Microcontrollers on boards using the TCA9555PWR
What boards using the TCA9555PWR are built for
TCA9555PWR: common questions
Where can I find a TCA9555PWR reference design?
Each of the 3 boards on this page is a real design using the TCA9555PWR. 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 TCA9555PWR use?
Most are built on ESP32 (2).
How big is a typical board using the TCA9555PWR?
The median is 257 × 117.5 mm, and 33% are two-layer designs.
What is the most popular open source board using the TCA9555PWR?
By GitHub stars, Alexi2C by F6ITU, with 4 stars.
Can I simulate one of these boards using the TCA9555PWR 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.