STM32 MCUs Products

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LCD1602+pcf8574 (I2C) and STM32F107

Hi all,I have some problem with LCD1602 + pcf8574 (I2C) and STM32F107pcf8574 operate as SLAVE.I setup i2c in CubeMX and used this tutorial ( https://controllerstech.com/i2c-lcd-in-stm32/ ) to operate LCD, but I failed, then I write a I2C bus scanner ...

MHos by Associate
  • 916 Views
  • 2 replies
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Resolved! Where to find - lowest Vcc value for mcu

Hi, Can someone help me find the minimum voltage Vcc of stm32f103c8.​Lo​west voltage that will allow for maximum clocks frequency. And wont interfere with usb (pullups at data line to vcc).And adc.​2.4 V is minimum when using adc. But will it run at ...

oeliks by Senior
  • 623 Views
  • 3 replies
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STM32F0 for new development

Dear ST community,we are planning using stm32f0 as driver for our X-Y control Unit. with please see the attachment.The requirement is to update the application of stm32f0 via SPI.And we would like also to use the parts of the HAL library.Is those two...

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MMatv by Associate II
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  • 4 replies
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i have a problem with sync timer master slave in stm32f040

hi everyonei try to Synchronization two timer together in master / slave modei have a problem when i enable another timer interrupt ,once of two sync timer freq was changed!!you can see in my logic analyzer resultthis is my code:static void InitTimer...

0690X00000Bvos1QAB.png 0690X00000Bvos6QAB.png
eittinfo by Associate II
  • 630 Views
  • 3 replies
  • 0 kudos

Hello,I want to generate R/C signal in stm32f446re nucleo board.But i don't understand that how to do it.Can anyone tell me about that?

Hello, I want to connect my FLYsky radio reciever to stm32f446re for which an rc signal in required.The Rc signal has duty cycle from 1500 us to 2000 us.But i can not understand how to do it with the help of timers.If you have a code about that plea...

SM3 by Associate II
  • 1061 Views
  • 4 replies
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Push button is not turning on the LED

Simple program. Trying to make a push button turn on an LED. I have connected on pin of the push button to 5V and the other pin to the STM32F411E-Disco board directly without any resistors. The anode of the LED is connected to a 330 ohm resistor and ...

MRamy.1 by Associate II
  • 1011 Views
  • 4 replies
  • 0 kudos