7 open source boards using the USB3300-EZK
Real designs built with the USB3300-EZK, 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.
STM32Io master
csinko
170 × 100 mm498 parts4LMIT4
STM32Open DPOAE Interface
bnahill
58.4 × 43.2 mm78 parts4LGPL-3.03
STM32Audio daughterboard
Jaxc
90 × 155 mm453 parts4LGPL-3.02
STM3216-in, 16-out USB <-> ADAT interface
swiszczoo
150 × 56 mm217 parts4LNo license2
STM32Nes shell
TheBadZhang
72 × 44 mm54 parts6LNo license1
STM32Stencil
150 × 56 mm217 parts2LNo license2
STM32Main board
100 × 74 mm125 parts4LNo license2
The USB3300-EZK in open source designs
The gallery holds 7 open source boards using the USB3300-EZK from 5 GitHub repositories; a typical one measures about 100 × 56 mm and carries around 217 components.
86% use four copper layers or more, and 43% carry an open source license.
The most starred is Io master by csinko.
Microcontrollers on boards using the USB3300-EZK
What boards using the USB3300-EZK are built for
USB3300-EZK: common questions
Where can I find a USB3300-EZK reference design?
Each of the 7 boards on this page is a real design using the USB3300-EZK. 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 USB3300-EZK use?
Most are built on STM32 (7).
How big is a typical board using the USB3300-EZK?
The median is 100 × 56 mm, and 14% are two-layer designs.
What is the most popular open source board using the USB3300-EZK?
By GitHub stars, Io master by csinko, with 4 stars.
Can I simulate one of these boards using the USB3300-EZK 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.