stm uart communication voltage
I want to use stm32f407gt with nextion touch screen. Display and stm will connect via to uart(Rx Tx pins). Stm work with 3.3V and nextion works with 5V. It will effect to communication ?
Forum Posts
STM32F439 SDMMC Command Timeout
Hello all,I access SDMMC directly through the APIs: HAL_MMC_WriteBlocks() and HAL_MMC_ReadBlocks().Sometimes the access to SDMMC does not does not succeed with Timeout error.Can you please advise me?Thanks in advance.Yacob.
Resolved! how to set long delay with use of timer(like up to 5 minute,)
part number: STM32F779BII am using clock frequency 108 MHz ( not system clock , system clock is 216 MHZ)I don't want to use loopif not possible what is the maximum value i could set using timer
Resolved! Timer of 10 Milliseconds
I want to configure timer of 10 millisecondsso for that according to calcuationUPDATE Frequency = TIMCLK / ((PSC+1) * (ARR+1)) My clock frequency is 108 MHzso when i set prescaler is 107 and ARR value is 9999 it should be updated frequcy is 100 H...
How to write float data in Flash memory in STM32L4 ?
hello i want to save float value in the flash memory in STM32L4.it is my favor that you give me answer.my below is my code
STM32F205 - UART5 Interrupt handler fail to receive interrupt
Hi all, Thanks for the support and sharing the experience.I have generated the code using STM32 CubeMx and using UART5 in interrupt mode. UART5 interrupt is configured to receive interrupt for every 1byte of data reception. Snap of the code is below....
Setting RTC Alarm for 1 Year from now
Hi,Is it possible to set the RTC Alarm (on STM32L496VG) to wake from low power for a specific date from now?For example 1 year from now or 10 years from now?Thanks for your help!
how do i program stmf105r8t6?
I am working on stm32f105r8t6 microcontroller. I need the pinout for this one. The data sheet that I found for this microcontroller doesn't show any of the pins that I need to program this microcontroller. It also doesn't show the RX/TX pins. Where c...
I have an existing product that uses a STM32F071CBT6 MCU. I want ad WiFi capability to the product. I was going to use the SPWF04S for this application but then I read that it is being phased out. Does STMicroelectronics
STMicroelectronicsSTM32F071CBT6I have an existing product that uses a STM32F071CBT6 MCU. I want ad WiFi capability to the product. I was going to use the SPWF04S for this application but then I read that it is being phased out. Does STMicroelectronic...
Does STM32F429 nucleo 144 Serial number and Unique ID are same?
I am using STM32F429 nucleo 144 board for security application. I Need to read a unique ID while doing this process i am getting ST-link SN number of the device. So is SN of the microcontoller is a unique number ? or is it common number for all STM d...
