STM32 MCUs Products

i have a modbus device which uses stm32f030c8 inside it. when i use commands to change baud rate or device address it will work once, but as i power off the device it will lost the baud rate and device address. what is the problem and what should i do?

Use one DMA channel with 2 different IPs ?

Hello.The project I am actually working on uses several peripherals such as USART ADC SPI etc. I am trying to use as much DMA as I can, but there is something that I miss in the reference manual and on the internet.Can I use ONE channel with TWO stre...

Firmware file for B-L475E-IOT01A_Iot_Node board

Hello,I was testing the B-L475E-IOT01A_Iot_Node board, and the inventek wifi firmware was written incorrectly, and the board crashed.Can I get a firmware file so I can rewrite the entire firmware for this board?

PWM not working?

Hi.This is a really simple question but I don't seem to be able to figure out the problem. I was trying to generate a PWM output (using Timer 2 CH1) on my blue pill board but nothing appears on PA0 after I upload the code.Edit: I am referring to this...

Conflict between UART buffer size and Flash erasing on STM32G474

Hi,I'm having a problem that I simply cannot explain so any help is welcomed.I'm trying to flash the G4 via UART, to put it simply the app receives a reflash request via UART then it erases the other bank that isnt being used and writes the new doubl...

DMA transmit/receive on lpuart1

I'm using the NUCLEO-H753ZI dev board and have been testing various tx/rx reception modes using HAL routines with RTOS for all the available uarts. I have them all working well except lpuart1. When I try to receive or transmit in DMA mode I get no in...

How to make Metal detector using STM32 MCU.

I want to make metal detector circuit using STM32 for material shorting specification of circuit is given below.It can detect ferrous and non ferrous both metal.digital out put hi when metal object detected.It can show detected piece area.It is capab...