STM32 MCUs Products

How to use RX pin for USART to receive data

I am using a Nucleo-L476RG board and I am using USART2 for serial communication. I bought the sparkfun QR scanner module and it has a TX and RX pin. Can I simply connect the TX pin from the scanner to the RX pin (PA3) of USART2 and receive the data f...

Hello, When sending data with UART, why can the UART data transmission process stop or be interrupted when an EXTI interrupt occurs?

how to write and read the IS42S32400F(SDRAM)IC in stm32F746 inbuild SDRAM in Disco board

Hello Everyone!!I'm YugentharI Have tried to write the data Throught STM32f746 disco inbuild SDRAM chip .But I can't able to write and read the data in this type of IC chip"IS42S32400F" using Stm32f746 board Anyone Give the Sollution and any tutoria...

How to use the SDRAM in stm32f7 series

Hello everyone ,I am YugentharRight now i am working in embedded development platform . So i have one doubt guys.I have using stm32f746-disco board.I am displaying one image in LCD screen (800x760)so pixel size is incresing. my code is runing in fla...

How to communicate each core for stm32h745i-disco dual core?

I use stm32h745i-disco for work, and want to use dual core system. one for lvgl display, and the other for pn532 rfid, which is needed to communicate each other. anyone have experience about this? pls help

How to use the FPU STM32H723

I have these math functions that I would like to use the FPU for:sqrtf()cosf()sinf()fabs()atan2f()floorf()ceilf()truncf()roundf()How do I enable the FPU in the STM32H723? I see it is selected in the settings but not sure if it is enabled or not.Do th...

HAL_I2C_Slave_Receive fails to read data from ESP32 waiting for I2C_FLAG_RXNE

Hi! I am having trouble using HAL_I2C_Slave_Receive for receiving data. Troubleshooting, I am finding that HAL_I2C_Slave_Receive times out or gets a I2C_FLAG_STOPF flag in I2C_WaitOnRXNEFlagUntilTimeout. I know that the I2C network and pull-ups work,...