Open source ARM Cortex-M microcontroller library
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Updated
Jul 20, 2026 - C
Open source ARM Cortex-M microcontroller library
Open-Source Firmware for ZY12PDN USB Power Delivery Trigger
MakeCode UF2 bootloader for STM32 Blue Pill
a lua based USB descriptor generate tool
Sample blinky project for PlatformIO using libopencm3 and FreeRTOS
Hardware password manager
IoT program for Arduino Uno / STM32 Blue Pill (libopencm3) that reads BME280 temperature + humidity + altitude sensors, via I2C or SPI with DMA and multitasking. Sends sensor data to Sigfox via Wisol Sigfox module on UART. Runs on cocoOS task scheduling library http://www.cocoos.net
DIY virtual electronic finderscope for astronomical telescopes
Unit test for STM32 Blue Pill. Based on PlatformIO, libopencm3, unity and Qemu
This is a fast display driver for interfacing ILI9341 LCD display with STM32F1 microcontroller over an 8bit parallel (8080-II/I) bus. Mainly made for my personal usage.
Simple template project to build a firmware for the STM32F4 Discovery board with FreeRTOS and libopencm3
Motorcycle ECU STM32 ARM Cortex 4 source code and hardware PCB design
A R/C transmitter PPM to USB joystick interface for the STM32F1 "BluePill"
project template for stm32F1XXX Microcontrollers using meson build system
A heavy modification of the original c_uart_interface_example, works on ARM Cortex-M4 STM32F4 (as an offboard processor)
USB Audio Class headphones on STM32(-ish)
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