STM32 MCUs Products

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Forum Posts

How can i reduce the OLED display clear time?

I have use STM32F0 microcontroller.I try to integrate the stm32 with OLED(SSD1306:128*64).It's an I2C communication. The issue is while clearing the display takes some seconds(like 2sec.).How can I make it faster?I have attached the issue portion ima...

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Wju.1 by Associate II
  • 2382 Views
  • 7 replies
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Send float to UART

Hello,I would like to send float numbers to UART and then check it in terminal using UART <-> USB converter. Could you provide any function which transmits float to UART? I am using STM32CubeIDE environment.Thank you.

Indois by Associate II
  • 8773 Views
  • 8 replies
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STM32 LPUART only works with breakpoint.

Hi, I need your help, please:I'm using a STM32 and the STM32CubeIDE and I want to communicate the MCU and a FPS module R502 through LPUART (Low Power UART). When I send the correct packages, the FPS answers correctly (I check that reading via serie w...

SCabr.1 by Associate II
  • 3103 Views
  • 11 replies
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Resolved! Dual SPI with DMA

Hello everyone,I'm using the STM32H743 and I would like to implement two SPI communications with DMA (SPI1 & SPI2). I followed the example provided with my Nucleo board which is working perfectly when I'm only using SPI1 but when I add SPI2 initialis...

SThir.4 by Associate II
  • 795 Views
  • 2 replies
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Resolved! STM32L432KB flashes correctly, but debugging works sporadically

I have an STM32L432KB that I'm trying to use with STM32CubeIDE and an ST-LINK v3. It is on a small board, and the onboard hardware peripherals connected to the MCU are:   USB-C connector to dedicated USB pins.   Quad-SPI flash storage chip   I2S audi...

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EPegu.1 by Associate
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  • 2 replies
  • 0 kudos

How to set SPI Baud Rate Without Using Prescaler?

I'm new to STM32 development. I need to use RF98W LoRa module and also I need high clock frequency. Problem is RFM98W datasheet says RFM98W has bit rate up to 300 kbps. To achieve 300kbps spi clock frequency I think I need to have low frequency arou...

IAtam.1 by Associate II
  • 929 Views
  • 3 replies
  • 0 kudos