STM32 MCUs Products

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F767zi UART

I tried 2 demo printf using HAL and UART Tx using LL from your examples. LL demo runs ok and getting message display on Serial COM console. HAL printf demo got not message display. Any suggestion? I hv another board NUCLEO-F411RE works ok for HAL UAR...

PLau.1 by Associate II
  • 1191 Views
  • 7 replies
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Resolved! HAL_I2C_IsDeviceReady = HAL_ERROR

Hi,i'm trying to connect an STM32L072cz mcu ( as a master ) to a gas-module (as a slave) which 7-bit address from data sheet is "1100101b",Wiring, pull-up resistors are placed correctly,i'm trying to test if the communication is well established betw...

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STM32F205,UART DMA transfer stuck after a while

Hello to everyone,Thank's to the people who will take time to read my problem.To be short, I'm working on a system which embed a STM32F205 MCU. This system can communicate with other similar systems by exchanging UART messages over an RS485 physical ...

BSELL.11 by Associate
  • 771 Views
  • 3 replies
  • 1 kudos

Resolved! Problem with initialising I2C bus in different files

Hi, I am working with STM32H747-Disco and I am currently working with I2C bus. My I2C bus is working perfectly fine and I can see the communication. I just have main.c file and everything is there. I am planning to have different file for the initial...

SLuit.1 by Associate III
  • 892 Views
  • 3 replies
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Use timer base and input capture at the same time

I use timer gated mode for a HC-SR04 ultrasonic sensor which needs microsecond delay. Is it possible to use the same timer as time base to get microseconds? if (HAL_TIM_Base_Start(&htim3) != HAL_OK) // time base for usDelay() Error_Handler(); if ...

Yuan1 by Associate II
  • 778 Views
  • 5 replies
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STM103VET6 IS A GOOD IC OR NOT.

STM103VET6 IS A GOOD IC OR NOT. We can only set the pll to 48MHz , AND THE CAN function IS NOT ANY SIGNAL.WE CAN USE THE OTHER IC STM32V103ZET6 TO SET PLL TO 72MHZ AND THE CAN FUNCTION IS OK.SO, WE THINK THAT THE IC IS NOT GOOD , OR REMARKED IC.

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Lgang.1 by Associate
  • 347 Views
  • 1 replies
  • 0 kudos

BLE characteristic notification issues

Hi guys,I have two characteristics, one for get values from mobile applicationand the second one is to reply as notification to user, to the mobile application.I registered to notification characteristic, to reply the user for any changes.I have two ...

Lmali.1 by Associate III
  • 430 Views
  • 1 replies
  • 0 kudos