STM32 MCUs Products

nucleo-g431kb voltage reference buffer

Hello everyone!I'm want to use the internal reference voltage buffer of the mcu stm32g431kb as input with comparator, but when i checked the reference manual they say VEREFBUF must kept disabled because no VREF+ pin in 32 pin package!!I don't want th...

I would like to run an arduino nano sketch on STM 32, Only 4 pins are need to define.... please help me to do this.... The code is working perfectly on my circuit, due to arduino nano memory is less, so i am unable to add more leds (ws2812B). Thank you.

/*  Code for Arduino WS2812b-MSGEQ7 Spectrum Analizer.  https://www.youtube.com/watch?v=mGton_zqrS0  */#include <FastLED.h>#define NUM_LEDS 70#define COLUMN 7#define ROWS 10#define DATA_PIN 6#define STROBE_PIN 3#define RESET_PIN 2#define BRIGHTNESS 1...

stm32f103 spi communication with ad7730 random wrong number

I am communicating with ad7730 (24bit adc) using atm32f103ZCT6. I try to read one of the registers of the adc but each time I receive a random wrong figure. The strange thing is that while debugging using serial wire (STLINK) everything is perfect an...

Waiting indefinitely for an ADC conversion to complete

Hello,In my application I want to get the ADC voltage - waiting indefinitely until the operation completes.  Will this code work ?while ( HAL_ADC_PollForConversion ( & hadc1 , 1000 ) == HAL_TIMEOUT );

How do I configure MCU as an I2C slave device?

Remark : I am asking this question again, since even after trying multiple times on my own, and asking on other platforms, nobody has answered it yet. I can't figure out how am I supposed to configure as slave. So sorry for that. I am not able to del...

What "EXTI" stands for ?

Hi AllAbout EXTI :In some stm reference manual about "EXTI" i read some strange things : For example:In STM32f070 Ref. manual "EXTI" stands for " Extended Interrupt/event Controller".In STM32f407 Ref. manual "EXTI" stands for " External Interrupt/eve...

I2C communication with multiple slaves

Hi guys may I ask for your inputs on the I2C communication. I am using STM32F103C8 MCU with 2 slaves on the I2C bus. 1st slave is PCF8574 IO expander and 2nd slave is MCP4725 DAC. I'm using CubeMX to generate my codes. What I wanted to do is use ...

Hi friends I have a problem with SRAM. After a short time, the memory is cleared

SPI non-DMA max speed ?

I am communicating with a TFT LCD and trying to speed things a little bit. At the moment I dont have DMA library written, so I am using standard SPI mode.I configured the SPI clock as 5Mhz on STM32F407 mcu. My main clock is PLL on 96Mhz. With APB2 = ...

Facing issue with openocd init failed. Using STM32F030 Disco development Board.

Open On-Chip Debugger 0.10.0+dev-00021-g524e8c8 (2019-04-12-08:48)Licensed under GNU GPL v2For bug reports, read http://openocd.org/doc/doxygen/bugs.htmlsrst_only separate srst_nogate srst_open_drain connect_assert_srstInfo : The selected transport t...