STM32 MCUs Products

Are init() and Serial.flush() required in main()?

This page says:With a custom main() on Arduino:Call init() if you want to use things like millis(), micros(), and delay(), because that is where the hardware timers get initialized. This will also affect analogRead(), analogWrite(), and a few other t...

How to read and write values to EEPROM IC (24C16 IC)

HI, i want to read and write values to EEPROM 24C16 IC using stm32f103 . I am able to write the value but i am not able to read the values . And how can i check whether i have written value to my eeprom ic and how to read value. can anyone help...

sd card interface

hello,in my application ill use an sd card, therefore im planning to use the internal sd card controller the stm32h743 suggested.i have some questions, hope you could answer.why the EVB uses a dedicated level shifter for sd card, cant you use simple ...

modbus with RS_485 communication

HI, i am using RS_485 as a serial communicator with modbus in stm32f103. But i am confused with TXEN pin used in Rs_485. i have read information it is used as transmitter and receiver . when transmitting the pin is set to high . while receiving...

Get one character from the USART

I want to get one character at position x from the USART.Here is my current code:What do I have to do differently?char *getchar(int position){ char data[1]; data[0]=HAL_UART_Receive_IT(&huart2, data, 1); return data; }

Now a days no stocks available with any supplier of P/N:STM32F030C8T6 P/N:STM32WLE5CCU6 Any specific reason?

STM32F746G-DISCO, FLASH, PWR, PVD

How to use HAL_FLASH_Program_IT? I set up: static void MX_NVIC_Init (void){ / * PVD_IRQn interrupt configuration * / HAL_NVIC_SetPriority (PVD_IRQn, 5, 0);HAL_NVIC_EnableIRQ (PVD_IRQn); } ...................... HAL_FLASH_Unlock (); // FLASH unlock fo...