Custom bootloader that allows firmware updates to Raspberry Pi Pico via UART/I2C/SPI.
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Updated
Jul 20, 2026 - C
Custom bootloader that allows firmware updates to Raspberry Pi Pico via UART/I2C/SPI.
32 bits OS with custom bootloader, a libc and a FAT32 driver
bootloader created to boot up a custom kernel
Bare metal custom bootloader for STM32F103C8T6 featuring CRC32 firmware verification and automatic application jump. Includes a sensor dashboard demo with DHT11, MPU6050, DS3231 and 16x2 LCD.
UART flashing tool using console application
The STM32L051 is a Cortex-M0+ microcontroller with 64KB flash and 8KB RAM, offering low power consumption in a tiny QFN package. This bootloader enables secure over-the-air firmware updates without requiring ST-LINK after initial programming. Unlike the STM32 built-in bootloader, this custom secure bootloader.....
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