
STM32 Bootloader: Upgrade Firmware from Web Browser via USB
Published 4/2025
MP4 | Video: h264, 1280×720 | Audio: AAC, 44.1 KHz, 2 Ch
Build a minimalistic secure bootloader with AES encryption, CRC-32 checksums & web-based flasher using Web Serial API
What you’ll learn
Develop an HTML-based firmware updater
Protect firmware update files from hacking
Build a custom communication protocol
Add CRC-32 checksums for data integrity
Perform erase, read and write operations
Configure and use USB CDC on STM32F103
Requirements
You need to have significant STM32 development experience using HAL with STM32CubeIDE on Windows
You need basic HTML/JavaScript experience or willingness to learn independently
Required Hardware: STM32 Blue Pill board with authentic STM32F103C8T6 microcontroller (no clones)
System Requirements: Windows 10/11 with Microsoft Edge browser
Description
Who this course is for
STM32 developers who need to implement a production-ready custom bootloader
Engineers upgrading their skills with custom protocol design