9 open source boards using the C81233
Real designs built with the C81233, 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.
STM32LedMatrix
sean618
75 × 25 mm101 parts4LMIT0
STM32Battery
56 × 25 mm64 parts2LMIT0
STM32Speaker
56.5 × 25 mm40 parts2LMIT0
STM32LightSound
27 × 25 mm32 parts2LMIT0
STM32Buttons
50 × 25 mm31 parts2LMIT0
STM32USB
27 × 25 mm29 parts4LMIT0
STM32Distance
27 × 25 mm24 parts4LMIT0
STM32Screen
56 × 54 mm22 parts2LMIT0
STM32Joystick
56 × 25 mm17 parts2LMIT0
The C81233 in open source designs
The gallery holds 9 open source boards using the C81233 from 1 GitHub repository; a typical one measures about 56 × 25 mm and carries around 31 components.
67% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is LedMatrix by sean618.
Microcontrollers on boards using the C81233
What boards using the C81233 are built for
C81233: common questions
Where can I find a C81233 reference design?
Each of the 9 boards on this page is a real design using the C81233. 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 C81233 use?
Most are built on STM32 (9).
How big is a typical board using the C81233?
The median is 56 × 25 mm, and 67% are two-layer designs.
What is the most popular open source board using the C81233?
By GitHub stars, LedMatrix by sean618, with 0 stars.
Can I simulate one of these boards using the C81233 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.