2 layers17.8 × 30.5 mm
STM32L422KB LiPo
WRansohoff/STM32_LiPo_Example
Simple lithium battery-powered STM32 board using an MCP73831 for charging.
29 parts17MIT
Boards by WRansohoff
9 boardsOpen-source boards designed in KiCad by WRansohoff on GitHub, from 8 repositories. A board’s address here is its repository’s there.
- 2 layers25.4 × 25.4 mm
SSD1306 SPI Breakout
WRansohoff/OLED_test_boards
Repository with KiCAD projects for two boards which provide SPI communication to a 30-pin 128x64 monochrome SSD1306 display panel, and a 23-pin 96x64 multicolor SSD1331 one.
18 parts16MIT - 2 layers18.4 × 20.3 mm
CP2102N bb
WRansohoff/CP2102N_simple
Simple breakout board for a CP2102N USB / UART bridge.
18 parts9MIT - 2 layers92.3 × 50.2 mm
MotoMate
WRansohoff/MotoMate
An STM32-based GPS receiver handheld board with a small display and microSD card slot: eventually, I'd like to make some simple mapping / logging firmware and a case for mounting it to motorcycle handlebars.
63 parts1MIT - 2 layers17.8 × 38.1 mm
STM32G031Kx bb
WRansohoff/STM32G031Kx_bb
Simple open-source breakout board for a 32-pin STM32G031 microcontroller. Designed to be easy to hand-solder, with wide footprints and no parts smaller than 0805. Feedback is welcome!
16 parts1MIT - 4 layers64.1 × 72.4 mm
Stm32 linux
WRansohoff/Magrat_v0
Design files and test firmwares for a single-core STM32H7 board with extra RAM and a side of Flash.
78 partsMIT - 2 layers21 × 17.8 mm
Max31855 bb
WRansohoff/MAX31855_breakout
Simple OSHW breakout board for a MAX31855 thermocouple amplifier chip.
8 partsMIT - 2 layers54 × 85.7 mm
STEAMGal STM32F051Kx
WRansohoff/STEAMGal_Tetris
Try writing some 'tetris' firmware for a development board with a very small display, a buzzer, and a few buttons. That should introduce a few core peripherals.
63 partsMIT - 2 layers25.4 × 25.4 mm
SSD1331 SPI Breakout
WRansohoff/OLED_test_boards
Repository with KiCAD projects for two boards which provide SPI communication to a 30-pin 128x64 monochrome SSD1306 display panel, and a 23-pin 96x64 multicolor SSD1331 one.
14 parts16MIT