9 open source boards using the PCF8574DWR
Real designs built with the PCF8574DWR, 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.
ESP32OSMC Receiver Translators
Koalaven
120.1 × 78.2 mm65 parts4LNo license0
ESP32OSMC Receiver V1.2
120.7 × 78.7 mm65 parts4LNo license0
ESP32Modules
34 × 41 mm48 parts2LNo license0
OSMC Module Buttons Click
34 × 41 mm12 parts4LNo license0
OSMC Module Buttons-Nav
34 × 41 mm12 parts4LNo license0
OSMC Module Master
34 × 41 mm10 parts4LNo license0
OSMC Module Buttons
34 × 41 mm8 parts4LNo license0
OSMC Module Bumpers
34 × 41 mm5 parts4LNo license0
OSMC Module Buttons Membrane
34 × 41 mm4 parts4LNo license0
The PCF8574DWR in open source designs
The gallery holds 9 open source boards using the PCF8574DWR from 1 GitHub repository; a typical one measures about 34 × 41 mm and carries around 12 components.
89% use four copper layers or more, and 0% carry an open source license.
The most starred is OSMC Receiver V1.2 by Koalaven.
Microcontrollers on boards using the PCF8574DWR
What boards using the PCF8574DWR are built for
PCF8574DWR: common questions
Where can I find a PCF8574DWR reference design?
Each of the 9 boards on this page is a real design using the PCF8574DWR. 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 PCF8574DWR use?
Most are built on ESP32 (3).
How big is a typical board using the PCF8574DWR?
The median is 34 × 41 mm, and 11% are two-layer designs.
What is the most popular open source board using the PCF8574DWR?
By GitHub stars, OSMC Receiver V1.2 by Koalaven, with 0 stars.
Can I simulate one of these boards using the PCF8574DWR 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.