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How to get started with bluetooth?

Hi, I've had an STM32F411 development board for sometime and have done hobby projects with practically every peripheral on the board (audio output, mic, accelerometer, gyroscope, etc) programming both with and without the HAL. I'm now interested in ...

Resolved! STM32F0: updating RTC calendar after wake-up from standby fails.

Hi all,I'm faced with a strange issue: updating the RTC calendar does not seem to be possible after a wake-up from standby mode.I have a piece of code that updates the RTC calendar (date and time are uint32_t):// rtc disable write protection RTC->...

APann by • Associate
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Resolved! Do RAM may have old data after energized

Hi everyone ,We are using our custom bootloader firmware to update our main firmware.To do that we set a flag at a specific location at RAM and reset the MCU.The flag size is 1 byte.At the bootloader firmware read the data from RAM and if this data m...

Resolved! spi clock configuration

Hello, I am using nucleo stm32f429zi. I want to add MCP3304 SPI with my controller. It works properly, but my spi clock is 1.325MHz, which means my channel sample rate will be 1.325MHz/21=63095Hz (sample rate for 4 differential channels). so each ch...

yang hong by • Associate III
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