STM32 MCUs Products

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Resolved! GPIO Demo Program etc

Hello, can someone point me to where there are some demo programs for working with GPIO as individual pins and creating a bus from a number of outputs. I am also looking for a demo program with general s/w based timers, for example, in mbed which is ...

AndrewR by Associate II
  • 1324 Views
  • 7 replies
  • 2 kudos

Resolved! Enter low power run mode directly at boot

Hello community, I have this difficult task of powering an STM32G0B1 from a pin that was really not tasked for that (because the connector I have to plug onto provides no supply pin). In short, I can't draw more than 500µA current at any time or I ri...

WhatsApp Image 2025-01-28 à 11.17.07_4025050e.jpg
Kemsa by Associate II
  • 1265 Views
  • 9 replies
  • 2 kudos

I2C communication between STM32L4R5 and esp32

I tried creating I2C connection between my stm32 board and esp32. I assume it is not working because of my code, due to the wiring being so simple in I2C communication, the pull up resistor is connected externally. Do you guys see any mistake in my c...

ejeee by Associate
  • 2429 Views
  • 9 replies
  • 4 kudos

Resolved! STM32H745 input fast read

Hi, I have problem. I have idea: my STM32H745 must read GPIO state as quickly as possible. FCPU = ~400MHzI wrote the program in assembler for M7LED_ON()ldr r2, [r3, #IDR]ldr r2, [r3, #IDR]... ~650xLED_OFF()...only read, IDR, no write (no record yet)A...

EsKi by Associate II
  • 918 Views
  • 4 replies
  • 0 kudos

Resolved! STM32f411 crystal

Hi,I am new with stm32F411 mcu, and i have a question. if i want to use RTC features, do i need to add an external 32.768kHz xtal ?Thanks.

HL1 by Associate II
  • 471 Views
  • 1 replies
  • 2 kudos

STM32WB55RG USART/LPUART unavailable?

Hello, I am trying to set up this is STM to connect it to another microcontroller via LPUART. To my understanding USART1 is unusable since it is connected to J-Link. I have attempted with LPUART setting up both PA3 and PA2 pins as the respective TX a...

STM32F4 with an ADAFRUIT BLE SPI

Hello st community,I'm trying to set up a bleutooth communication between my phone and my stm32 with the Adafruit module in SPI communication, but I'm having a problem.When I use my arduino and the demo code it works perfectly but when I connect to m...

Capture d'écran 2024-12-11 120927.png
Paulo971 by Associate III
  • 2241 Views
  • 21 replies
  • 2 kudos