2 open source boards using the CH334S(SSOP-28)
Real designs built with the CH334S(SSOP-28), 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.
USB-NeoHub
OLIMEX
46 × 33.5 mm27 parts2LGPL-3.016
RP2040/RP2350Neo6502PC-CPU
54 × 124 mm116 parts4LGPL-3.011
The CH334S(SSOP-28) in open source designs
The gallery holds 2 open source boards using the CH334S(SSOP-28) from 2 GitHub repositories; a typical one measures about 50 × 78.8 mm and carries around 72 components.
50% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is USB-NeoHub by OLIMEX.
Parts used alongside the CH334S(SSOP-28)
Microcontrollers on boards using the CH334S(SSOP-28)
What boards using the CH334S(SSOP-28) are built for
CH334S(SSOP-28): common questions
Where can I find a CH334S(SSOP-28) reference design?
Each of the 2 boards on this page is a real design using the CH334S(SSOP-28). 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 CH334S(SSOP-28) use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the CH334S(SSOP-28)?
The median is 50 × 78.8 mm, and 50% are two-layer designs.
What is the most popular open source board using the CH334S(SSOP-28)?
By GitHub stars, USB-NeoHub by OLIMEX, with 16 stars.
Can I simulate one of these boards using the CH334S(SSOP-28) 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.