RS485 Sensor
Hi, I am trying to connect one energy meter sensor which has RS485 output , But i am unable to read RS485 sensor readings in Nucleo F401RE, If you have any examples please help out!!
Forum Posts
STM32H747I-DISCO LCD DISPLAY PROBLEM
Good afternoon everybody,I bought an STM32H747I-DISCO, and installed the TouchGFX demo software.When I turned on the board, the demonstration ran perfectly on the LCD display, but after a few seconds, the images on the display started to show problem...
Resolved! USB_HOST
We are interfacing the USB 2.0 , on nucleo-L496ZG OTG_FS_IRQHandler routine is executing but incase of our own Hardware having LQFP64 pin package download the same code but OTG_FS_IRQHandler is not generating,may i know what is exact the issue?
My computer cant recognize "st-links" "Anymore" (win11)
I've been using my st-link for a long time and suddenly my computer stopped seeing it as st link. Please do not offer simple solutions such as updating drivers or deleting the device and reinstalling it. I installed the drivers from the official site...
Problems on interuption and function execution
Hello everyone,i'm working on a programm on a Nucleo-L031K6 that send data to a stepper motor's driver (Enable, Direction and Pulse).It's a basic program that receive instruction from a python script (i send frames). I've a callback function which is...
4-bit SD card communication STM32H723
Hi all,I am designing a PCB around the STM32H723 and wants to implement 4 bit SD card communication. As shown in the picture it can be done using 3.3V, with lower speeds, and avoiding these fine-pitch level translators. However does anybody have expe...
7.5 MSPS with three interleaved ADCs
Hello Team,I want to achieve 7.5msps using three 2.5msps external ADC with interleaving method. So how can I achieve this with STM32h745 controller. below attaches some documentation. please anyone can provide some example code or guidance to achieve...
Resolved! stm32f405rgt is not detected after connecting with st link not even show on device manger
Don't know weather my Stm32F405 (new) needs a bootload or not? I have designed a custom stm32 board in order to detect my stm32 by the computer for the code uploading i connected my stm32 externally with a TQFP breakout board with my ST-LINK V2 , all...
Resolved! problem with st-link/v2 and st-link/v2.1 with stm32f070
Hi, For some time now I was using cheap bluepill and stm32f030-demo boards to debun my project with st-link probes. It all works perfect. But recently the stmf030 become too small, so I decided to replace it with stm32f070 (same tssop20 package as or...
Redesign a schematic (MP3)
Hi, I need to modify this schematic, I want to use one USB connection connected to an STM32. - When the STM32 is on Bootloader mode, A virtual com port will be open and I should have an option to save a mp3 file inside the external flash (GD25P32)- W...
