STM32 Black Pill DFU Mode & Firmware Flashing Made Easy

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In this hands-on tutorial, learn how to put your STM32 Black Pill board into DFU (Device Firmware Upgrade) mode and flash firmware without using an ST-Link or any external programmer — just a USB cable!

This guide walks you through the process of entering DFU mode and flashing your firmware using Inav Configurator or dfu-util. If you’re working with an STM32F411-based Black Pill board, this is the easiest and most efficient way to get your firmware uploaded.

👉 In this video, you’ll learn:

How DFU mode works on STM32 microcontrollers

How to enter DFU mode on a Black Pill board

How to flash firmware via USB using Inav Configurator

How to exit DFU mode and boot into your firmware

💻 What You Need:

STM32 Black Pill ( STM32F411CEU6)

USB-C Type USB cable

INAV Configurator

Your firmware .hex file

📥 Useful Links:



dfu-util:

💡 Note: Make sure your Black Pill has the correct bootloader and USB support enabled to use DFU mode.

🛠️ Troubleshooting tips included!

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