4 open source boards using the PCF8574TS
Real designs built with the PCF8574TS, 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.
Z3660 by sHaNsHe (Double H Tech)
shanshe
173.9 × 93.4 mm159 parts4LGPL-3.077
AfdDriver
jduanen
43.2 × 58.4 mm51 parts2LMIT1
Z3660 CPLD prog
29.3 × 13.8 mm6 parts2LGPL-3.077
AfdDriver2Layer
43.2 × 58.4 mm50 partsMIT1
The PCF8574TS in open source designs
The gallery holds 4 open source boards using the PCF8574TS from 2 GitHub repositories; a typical one measures about 43.2 × 58.4 mm and carries around 51 components.
67% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Z3660 by sHaNsHe (Double H Tech) by shanshe.
What boards using the PCF8574TS are built for
PCF8574TS: common questions
Where can I find a PCF8574TS reference design?
Each of the 4 boards on this page is a real design using the PCF8574TS. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the PCF8574TS?
The median is 43.2 × 58.4 mm, and 67% are two-layer designs.
What is the most popular open source board using the PCF8574TS?
By GitHub stars, Z3660 by sHaNsHe (Double H Tech) by shanshe, with 77 stars.
Can I simulate one of these boards using the PCF8574TS 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.