STM32 MCUs Products

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UARTS on a STM32L475VG Discovery board

Posted on January 11, 2018 at 23:10I have a Amazon Web Services example (AWS) example running on a STM32L475 Discovery board. I got the example from en.stsw-stm32078.zip and it in the C:\...\st Micro\en.x-cube-aws\STM32CubeExpansion_Cloud_AWS_V1.0.1...

STM32 and STPM33 weird SPI behaviour

Posted on November 22, 2016 at 20:52Hello,I'm building a multi phase power meter with 6 pcs of STPM33 ICs and an STM32. The STPM33 chips are on the same SPI bus, with separate chip selects (SCS) for each meter. The MCU can control all of the control...

holcsik by Associate
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Resolved! Using stm32f4 on website

Posted on January 11, 2018 at 13:52 Hello I'm using stm32f411 and I have my server written in node.js. I want to make that my stm32 would send random string to my web server so it will be like a kind of a captcha when logging in. Is this eve...

USART1 and hard fault

Posted on January 05, 2018 at 10:59Hi and happy new yearI need help,to avoid an hard fault after un unpredictable time(2 ...120 sec) when i use the USART1 TxMCU is STM32F410RBT,mounted on a custom boardConfiguration done with CubeMx,IDE is STM32 Wor...

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AN4229 , where to find the files?

Posted on July 14, 2014 at 12:14 Hi. I need to get acquainted with AN4229, but can not find anything (except PDF file). please indicate where the files? Note: this post was migrated and contained many threaded conversations, some content...

STM32F072 TIM1 PWM no output

Posted on January 03, 2018 at 15:32Hi,For few days I am trying to get my PWM generator works under TIM1. I cannot find what is wrong but counter seems to work but no output is available under GPIO_A8 pin.Configuration code looks like:static void MX_...

licencje1 by Associate II
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STM32L4 opamp to ADC constraints

Posted on January 11, 2018 at 17:21Hi,My stm32 opamp characteristics understanding is that- max output current 500µA in normal mode, stand-alone- min output impedance 4kR in normal mode, stand-alone.This last value fairly aligns to considering a se...

STM32L100RC I2C1 SDA pulled constantly low

Posted on March 08, 2016 at 12:55 Hello, I'm having problems with STM32L100RC I2C1 peripheral on PB6 and PB7. The lines are pulled to MCU Vcc with 1k resistors. The problem is that when I configure the PB6 and PB7 as I2C1 pins, the MCU pu...

juho by Associate II
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