2 layers22.9 × 63.5 mm
Stm32u0
cyao1234/s32
Ultra low powered mcu devboard - 1+ year on a 500mAh lipo. With on board e-ink connector so you can get ultra long battery life with displays.
63 parts1CERN-OHL-P-2.0
Boards by cyao1234
11 boardsOpen-source boards designed in KiCad by cyao1234 on GitHub, from 11 repositories. A board’s address here is its repository’s there.
- 2 layers15.2 × 27.9 mm
X35
cyao1234/x35
A compact CH32X350 microcontroller development board with integrated USB Power Delivery support and 24V input tolerance.
19 parts1 - 2 layers20.3 × 51 mm
Ch32
cyao1234/c32
Welp, what else than a c32 devboard? Useful for prototyping low-cost devices!
31 partsCERN-OHL-P-2.0 - 2 layers17.8 × 28.9 mm
CH572
cyao1234/c57
Low-cost bluetooth devboard with a ch572 MCU. To program it press the boot button, and use either mountriver studio or ch32fun.
23 partsCERN-OHL-P-2.0 - 2 layers15.2 × 27.9 mm
Tiny ch32
cyao1234/ch32t
Welp, what else than a tiny c32 devboard? A tiny ch32 device on your fingertips
26 partsCERN-OHL-P-2.0 - 2 layers42 × 34 mm
Compass
cyao1234/compass
Modular PCB compass powered by ch32v003 and neopixels! Including a built-in magnetic field sensor. You can make a custom Minecraft compass with this!
65 parts - 2 layers23.4 × 45.4 mm
Esp32-s2-dev
cyao1234/e32
This is a single board esp32-s2 development board. with two neopixels and an on-board antenna.
31 parts - 2 layers304.8 × 114.3 mm
Keychron clone
cyao1234/keeb
A clone of the keycheron K2 keyboard. Compatible with all operating systems from Mac to Android to Windows. Hot-swappable allows to customize the typing experience without soldering, just pop them in and it’s done.
192 parts - 2 layers49 × 19 mm
- 2 layers41 × 25 mm
Tiny stm
cyao1234/s32t
Trying out the oshpark afterdark service, which is same price as jlc. Made this board with castellated holes mainly for artistic purposes.
20 parts - 2 layers18 × 22.5 mm
