Resolved! SCNu8 formatting
Hi,I was expecting to get x = 23 after following code: uint8_t x ; char* y = "23" ; sscanf ( y , SCNu8 , &x ) ;but I got x = 32.
Forum Posts
How to use DMD P10 LED displays with STM32
Hi there,I am working on a project where I am using STM32F401RE but later might shift to STM32F0 controller for interfacing it with DMD P10 LED display (monochrome/RGB), so are there any resources available for that? By resources I mean, libraries an...
Assistance with interfacing ST4SI2M0020TPIFW to Micro controller like STM32 ,Arduino, ESP32 and Rasp
I am writing to inquire about how to interface the ST4SI2M0020TPIFW eSIM monolithic IC with a microcontroller .I understand that the ST4SI2M0020TPIFW does not have any UART, SPI, or I2C pins. However, it is a monolithic IC that is designed to be inte...
Writing to a USB stick from STM32G474Cx MCU
I would like to preface with the fact that I am fairly new to hardware programming and electronics hardware design so bear with me if I am making some beginner mistakes.I am trying to write data to a USB stick using the PA11(33) pin and the PA12(34) ...
Resolved! HAL_I2C_Mem_Read returns error if used inside ISR
Hi,Currently I am implementing the smbalert functionality for ltc4015 based battery charger.But when I am using the below mentioned code(commented section) inside isr it is returning communication error. //SMBALERT interrupt from ltc4015 to stm32l0...
Lora network
Hey everyone what is the effect on the speed of data transmission from gateway to nodes in Lora-wan network using stm32 if one increases the number of nodes.
Resolved! Generating Timer Interrupt between 1BPM to 999BPM
Is there a way to use timers to trigger an interrupt at between 1.00BPM and 999.00BPM, with a 2 decimal resolution? I'm currently using an STM32F373 with 8Mhz clock for my timers, and set the Timer Prescaller to 8000-1, and set the ARR register to ...
Resolved! Kit/boards recommendation for handheld game console
Hi,I have for dream to be able to create a handheld game console like the PSP when I was younger. It's for this main reason I study electronics.I wonder if there is a kit that help me to understand and learn about the concept of it or something not t...
stm32f4 hardfault
hiI use stm32f4 micro but an external interrupt pinwhen i increase frequency of the external signal connected to interrupt pin, the micro jump to hardfaultwhy? how I can detect the solution?
Stuck while reading/wirting from/to SD card
Hi, I have STM32F407 and trying to read/wirte from/to SD card and often the code get stuck in the this loop: static uint32_t SD_FindSCR(SD_HandleTypeDef *hsd, uint32_t *pSCR) { //... while(!__HAL_SD_GET_FLAG(hsd, SDIO_FLAG_RXOVERR | SDIO_FLAG_DC...
