STM32 MCUs Embedded software

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STEVAL-IDP004V1 Sensor LED Not blinking at startup

First when we connect our STEVAL-IDP004V1 to the 28V DC supply the LEDs Grouped together near to RS-485 connector not blinked even at startup and remains off. The Second when we connect STEVAL-IDP004V1 to the STEVAL-IDP005V1 and connect the master bo...

KAfsa.1 by Associate
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STM32L4 SDMMC Peripheral Problem

hello,I use a custom board with an MCU STM32L462VETX and i try to create a file system over an SD CARD using the SDMMC peripheral .the hardware connection between the sd card and the MCU are the same the eval board : STM32L476G-EVALI use a sandisk 16...

Hhadd.2 by Associate II
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Resolved! STM32H743 HSI frequency waaaayyy off

At first, let me say that these are my first steps with the STM32H743 so it's really possible I'm doing something really wrong. I've been having issues with the USART which would show that the PC only receives some characters and others have invalid ...

Thomas L. by Associate III
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Hi everyone! I am trying to interface my TETRA device with the microcontroller using the USB interface. The microcontroller will act as a usb host while the TETRA will act as a USB device. I am using STM32F469I-DISCO development board.

Hi everyone!I am trying to interface my TETRA device with the microcontroller using the USB interface. The microcontroller will act as a usb host while the TETRA will act as a USB device. I am using STM32F469I-DISCO development board.How can I do suc...

SMuha.3 by Associate
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Resolved! STM32G071 hardfault in USBPD middleware when configured with 1 source and 1 sink port

I'm trying to get the USBPD middleware running with 2 ports: 1 source and 1 sink. I already followed the tutorial to get 1 port working as a sink. When I add the second port as a source, the chip immediately hits a hardfault after starting. I traced ...