STM32 MCUs products

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STM32F103 Circuit Issue

Hi Everyone,I am working with an STM32F103C8T6 chip on a project.  For some reason I cannot flash the chip. It connects everytime I try though. I am using the SWD to flash. Is there anything you notice that is incorrect on or may be affecting the cir...

Fmukete by Associate
  • 2 replies
  • 1 kudos

Resolved! ADC error

I have connected 100k NTC  with 100K PU resistance. ADC is measuring voltage on NTC is 1580 mV. While multimeter shows 1410 mV. 1410mV is correct number as it gives 32 degC  temperature.I am using ADC in polling mode. I added HAL_ADCEx_Calibration_St...

Nico3 by Associate III
  • 5 replies
  • 6 kudos

Resolved! STM32F103 input timer interrupts...

I have a test project that sets up TIM3.3 to count microseconds between falling edges of the timer input.  The timer is started with a call to HAL_TIM_IC_Start_IT(&htim3, TIM_CHANNEL_3); to start timing the input.  Inside HAL_TIM_IC_CaptureCallback(*...

DBudd.1 by Associate II
  • 5 replies
  • 1 kudos


Description Resource Path Location TypeProject 'somno_touch_sd' has no explicit encoding set somno_touch_sd /somno_touch_sd No explicit project encoding 

Resolved! Input signal when MCU is powered off

Hello,I will make some probes for reading electrical values (AC, Analog, digital,...), but I'm not sure what happens if I insert a signal to a GPIO when MCU is powered off.I read time ago that all GPIOs are in high impedance state when MCU is not pow...

xisco by Associate III
  • 9 replies
  • 2 kudos

Resolved! CHOOSE MCU

Hi.I work on BMS. I want a master-slave topology. I want to use 300 slave cards and 1 master card. This BMS is for automotive. I check ST MCU. I guess, The card should be 10-bit I2C. Because I want 300 Slave cards. So, Can you Help me this subject? W...

bngstskn by Associate II
  • 9 replies
  • 7 kudos

RTC stm32f103

Hi. I need help with RTC on STM32F103. I would like to edit the time (hours and minutes) in my RTC using a button. When I add an hour the maximum vartosc I can reach in the RTC->CNTL register is 65535 (18h20min), when this value is exceeded, the regi...

STM32F107 reset failed via NRST pin

Posted on October 20, 2016 at 05:54Background:       1.5% of products which use STM32F107 totally dead after using 3 months;Problem:       The NRST reset not function. After disconnecting the power and connecting again, the chip could recover and wo...