STM32 MCUs Products

Why toggling of Port E inside the timer 2 interrupt handler only work if the APB1 prescaler is set to /2 or /4 only?

I have a Timer 2 interrupt handler  which will toggle the Port E output. My MCU is STM32F407 running at 168 Mhz. I found that the toggle code inside the interrupt handler only work if the APB1 prescaler is set to /2 or /4 only. Slower ABB1 frequency...

B-U585: Qualify SSID with space: Not good!

Hello,the B-U585 Demo when asking for the SSID qualifies a name with a spacebar. Problem is, that many SSIDs contain a space by itself, like "FRITZ!Box 7530 ..." or "Galaxy ...". As the application does not echo what is sees, useres are left in the d...

Hi, do someone know, how to configure a 8x8 click module on the STM32 and how to connect to the MAX7219. My module is not connected with wires, it is stick on the shield board and I dont know, how to send data to the MAX7219. Can someone help me please?

Can the ADC on STM32F745 wake up the micro from Standby?

Would like the ADC on STM32F745 to wake up the micro from Standby if a certain positive or negative threshold is reached. Is this possible?

Flash ESP32 from STM32H7

Has anyone had luck with the esp-serial-flash library using an STM32 as a host?I tried to integrate this project into a Cube Project and was receiving ESP_LOADER_ERROR_TIMEOUT upon trying to connect_to_target(). I am basing this off of the STM32 exam...

DAC restricted to 0.5volt on a stm32L432 when you add a gpio_output to any PB

DAC restricted to 0.5volt on a stm32L432 when you add a gpio_output to any PB and appears to be the line __HAL_RCC_GPIOB_CLK_ENABLE(); added to MX_GPIO_Initwith static void MX_GPIO_Init(void){ GPIO_InitTypeDef GPIO_InitStruct = {0}; /* GPIO Ports Clo...