How do you update STM32 firmware over a network without touching a single USB cable?
A simple bootloader for the STM32F407VET6 that uses the W5500 Ethernet chip for firmware loading.
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Components
Hardware components
WIZnet - W5500
x 1
STMicroelectronics - STM32G0 microcontroller
x 1
Project description
1. What This Project Does "This bootloader is designed for firmware uploading via Ethernet (W5500)." — Author's README Once the bootloader is written to the STM32F407VET6 at address 0x08000000, all future firmware updates can be delivered over a local network via UDP — no ST-Link, no physical access to the device required. Pull pin PB1 to ground to trigger bootloader mode, send the firmware from a PC on the same subnet, and the device programs itself, verifies with a CRC check, and jumps to the new application automatically. The full update flow looks like this: This is a complete…
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