STM32 with DHT22 in Arduino IDE
i am using usb to program stm32 for blink code i insert binary pc13 was working but when i was try to run dht22 it was fail to read the sensor why
STM32 MCUs Boards and hardware tools
Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.
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Resolved! Compatibility of STLINK-V3MODS SWD Pins with 3.3V MCU Logic Levels
Hello ST Community,I have a question regarding the compatibility of the STLINK-V3MODS SWD pins with my MCU's SWD pins, which operate at 3.3V. Do I need to use logic level shifters between them, or are the STLINK-V3MODS SWD data signals fully compatib...
STM32H573VIT3Q - Vcap pins have no voltage
Hello Everyone :)I have designed a custom board using STM32H573VIT3Q MCU. when I connected it with st link, the st link didn't recognize it.After I checked the voltages on the power pins, I saw all the power pins were normal except the VCAP pin (not ...
HardFault_Handler when trying to add touch functionality
We have a custom template project created in cubeMX for the board STM32H735-DK that was created only to have some functionalities,now I have taken that template and added the screen functionality and now im trying to add the touch functionality, I ha...
Resolved! STLINK-V3PWR enable OUT via openocd
Hello,is there a possibility to turn on the OUT pin of the STLINK-V3PWR via openocd?I am currently using VSCode with opencd and gdb-multiarch for debugging. And I don't want to start STM32CubeMonitor-Power in the background all the time, to supply my...
NUCLEO-F103RB UART baudrate Error
I used NUCLEO-F103RB (MB1136 Rev C) and X-NUCLEO-NFC03A1 to run the example program in X-CUBE-NFC3. I received data from the serial port using 115200-8N1 and received the following: okcykkykkhht nkgkkkkfkca{sytcki{s{on qskkqcnsg Then I used a logic a...
stlink VCP UART not working on stm32h7575 EVAL board
Hi,I am working with the stm32h757 EVAL board, and I am trying to send some data to the PC using USART via STLINK VCP however I am not receiving anything on the PC side.In the board user manual and schematics, it says that USART1 is connected to the ...
Resolved! 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...
Resolved! Power ON/OFF sequence OF STLINK v2 and the target device
Hello,Target is power from another source. STlink from USB of laptopI was wondering if the power ON/OFF of STLINK and the target sequencing will damage either the devices? I had one STLINK v2 seems to be damaged while debugging and later it is not ab...
power Failure of the Nucleo board
Hi team, I am doing experiment with NUCLEO-F439ZI board. after some time the LD4 "LED" was not glow. after I unplug the USB cable and reconnect the windows shows the flowing error"Power surge on the USB port – Unknown USB Device needs more power tha...