STM32 MCUs Boards and hardware tools

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VBUS sensing on STM32L0?

I'm trying to understand the correct way to do self-powered devices with STM32L0. Most datasheets for other MCUs document using PA9 as a sensing pin using an alternate function, but I'm not finding this for L073, which I'm using on a Nucleo L073RZ bo...

Resolved! Nucleo 144 STM32H7 ESD protection

Hello!I have a question about ESD protection of Nucleo 144 STM32H7 development board. As I've noticed from the schematics the board uses ESDA7P60, ESDALC6V1, USBLC6-2SC6 and USBLC6-4SC6 for ethernet, buttons, SWD connectors and USB.Isn't it easier an...

Resolved! UART weirdness on STM32H747i-DISCO

When transmitting with a UART on this H747 board, a sent string will only get through two characters before HAL_UART_Transmit() hangs. No matter how I format the string (e.g., with or without snprintf() ), this same behavior occurs for UART8 and UART...

STM32H735 debug/flash problem

Hi, I have a board with STM32H735I.I can only detect the IC when boot0 is tied to 3V3 effectively putting the MCU into DFU bootloader mode. In this mode, I can flash it OK with stlink or even USB-DFU. However, once I tie boot0 to gnd the device won't...

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