• stm32h753 rtc resets after power down (vbat is connected)

    Hello,

    I am using a stm32h753 and stm32cubemx, and trying to run the RTC module on VBAT. To do this I have connected a battery to the MCU. RTC is connected to LSE. Next, I set the RTC in my code and then I disconnect the MCU from power source, and then…

  • NUCLEO64 USB HID not working ? getting HAL_OK but NO SIGNAL

    So I am using Nucleo64 (303RE) board for USB HID mouse project.

    As you know, it does not have second USB port for USB applications but it does have PINS that can act as DM, DP (USB minus, plus data).

     

    When I configured everything, I run debug and it was…

  • Which arm microcontroller to choose?

    Hello everyone!

    I wanted to learn about the ARM microcontrollers....about the architecture and coding. Which microcontroller should I buy? I read somewhere that I should buy the STM32 discovery board. Please help!

  • wireless communication with stm32f4 discovery

    Hi Everybody;

     

    I want to send data from stm32f4 with HC-06 bluetooth and also save this data by another stm32f4. the second stm card is also used HC-06 bluetooth. in the second stm card I want to add also a SD card to collect these obtained data from…

  • Trouble getting values with I2C using HAL_Library

    Former Member
    Former Member

    I cant get values with I2C using HAL_Library .I use HAL_I2C_Mem_Read and I cant manage ,maybe my adress wrong I didnt understand please help

    int main(void)
    {
    
    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();
    MX_I2C1_Init();
    LCD_Init(_LCD_4BIT…

  • Using SOMNIUM DRT with STM32 devices

    SOMNIUM DRT is is a set of development tools for ARM Cortex-M based devices such as the STM32 devices from STMicroelectronics. It is fully compatible with industry-standard tools such as the GNU toolchain and Eclipse IDE. DRT uses our patented techniques…

  • EE and entrepreneur wrote the book on tech product design (and you can get it for free)

    With all the buzz around crowdfunding new hardware and after meeting some of the founders of these startups I thought it wise to talk to someone who has literally written a book on electronic products design, John Teel.  JohnTeelHeadshot2.jpgJohn comes from the world…

  • Cortex-M7 Continues to Impress at the Embedded World Show in Nuremberg!

    At the recent Embedded World show in Nuremberg running from 24th to 26th Feb 2015 we saw the first MCU offerings from ARM’s silicon partners based on the high performance Cortex-M7, which is the latest member of the ARM Cortex-M processor family.  The…

  • Classic Kickstarter teardown; the Pebble watch

    I think it’s very fitting that we start ARM Kickstarter Week with a teardown of the Pebble watch. To me the Pebble was a breakthrough hardware product on Kickstarter and it broke new ground in two ways; first it showed there was a real market for…