STM32 MCUs Products

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Forum Posts

How to generate PWM on TIM3 - CH3 on STM32F103 device

Posted on January 10, 2016 at 14:32 Hello all, i have some mouses around my house and need a pwm driver for a mouse trap but i have some dificulties generating a pwm signal on PB0 ( Timer 3 channel 3 output) RCC_APB2PeriphClockCmd...

Bogdan by Senior
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STM32f103 and measuring of LSI frequency

Posted on January 10, 2016 at 02:45Hello, I'm trying to use LSI for RTC, but can't calculate correct prescaler value for RTC. And for each time I got different results(~+/-15sec. for each 2minutes), when test it. I found note in Reference manual (7....

STM32L Nucleo clock change

Posted on January 11, 2016 at 12:08I am trying to configure the clock source in a STM32L Nucleo Board (that mounts the STM32L152RE microcontroller). I use EmBitz as IDE.I have downloaded the Excel file STM32L1xx Clock configuration tool from ST that...

help with rtc

Posted on January 10, 2016 at 16:49Hi, I'm trying the learn how to use rtc. can someone help me to understand how to inizialize rtc and how to use timestamp?i'm using stm32f103 uCthanks :)

mauro2 by Associate II
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FatFs uSDCard read Problem

Posted on January 04, 2016 at 09:51 :) Hi my friends. I've written a code to play a song file for long time on repeat mode. Normally this code work correctly without any problem but for a short time. After for number of repeated, the s...

sm by Associate II
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how to set up OpenOCD in eclipse

Posted on January 10, 2016 at 10:15 Hi, I need help to install openOCD with eclipse. i have install eclipse and gcc compiler. it is compiling also. but i tried to set up openOCD and got some errors. Error as following. Open On-C...

SS.Sagar by Associate III
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crash of stm32

Posted on January 04, 2016 at 11:20 I use a STM32f103VB in a system who charge and discharge a battery. The microcontroler stops working in a random way. I can have the system which works during several days before having a crash of the microcontro...

STM32F3 Discovery USART1 Problem

Posted on January 10, 2016 at 12:29The original post was too long to process during our migration. Please click on the attachment to read the original post.

Can not send data thoughout UART4 when use DCMI

Posted on January 10, 2016 at 10:56I use stm32f4 discovery connect with camera OV767 to capture picture and send it to uart4. But when i use DCMI_Cmd(ENABLE); First, i just want send 'A' but i can't. What happening with DCMI or when i use DCMI, i mu...