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Questions tagged [nucleo]

Nucleo is mbed enabled STM32 board similar to Arduino.

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EEPROM READ/WRITE Issue with STM32?

I am using 24AA16 EEPROM to store my data. I have write the code for read and write using STM32Cube IDE. I am using Nucleo-F410RB Dev board. Below code is for write, ...
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UART only succesfull on first transmit

I have a STM32 NUCLEO-L031K6 board that I am trying to test some UART on. Following this guide: https://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Step3_Introduction_to_the_UART I get TeraTerm to show &...
Borst's user avatar
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Accelerometer Scale parameter

I am using X-NUCLEO-IKS01A3 Shield for my NUCLEO-F401RE platform. I want to get accelerometer readings so I am using LSM6DSO IMU sensor for that. I tried creating some functions to easily control ...
Dominykas's user avatar
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Nucleo microcontroller board clock stability modifications

I have an STM32 MCU board namely Nucleo-F303K8 and its schematics is given here. For a better clock stability, I configured this board(by modifying some resistors as shown in the document) such that I ...
pnatk's user avatar
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NUCLEO-F207ZG / STM32F207ZG supply voltage

I need to change the wait states via the Flash access control register for an STM32F207ZG on a NUCLEO-F207ZG board. The reference manual gives a table that tells you how many wait states you need ...
Daniel's user avatar
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STM32H755ZIT6 STLINK Debug

I've just got new NUCLEO STM32H755ZIT6 board with STLinkV3 on it. I just want to debug simple empty STMCube project and after configuring board According it's Please look in the UM2408 User manual (...
Alatriste's user avatar
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Can I use an ST-LINK of a Nucleo-mini board to program a black pill?

I have a Nucleo-l432kc board that I actually fried by accident touching one of the pins with my power supply probes while they shared the same ground during a risky test of mine. Anyway the problem ...
Mahmoud Salah's user avatar
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STM32 Nucleo F401-RE no I2C with external power source

So I have a Nucleo F401-RE that I'm using with a Huskylens AI camera via I2C. During development I use the USB to debug and power the board which works fine. I also added 4.7k pull-up resistors to the ...
Leon's user avatar
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1 answer
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Can someone explain USB ESD-protection on Nucleo 144?

On the STM32 Nucleo-144 eval board, there are 3 different ESD protection devices for the USB port: U19 = USBLC6-2SC6 U21 = ESDA7P60-1U1M U22 = ESDALC6V1-1U2 Source: https://www.st.com/en/evaluation-...
Oliver Richter's user avatar
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3 answers
580 views

Scoping the UART on a STM32 Nucleo

I have a Nucleo F446RE, which writes to UART which is handled by the built-in ST-Link over VCP on USB. I'd like to be able to see the serial signals on my oscilloscope as well. There are two exposed ...
SRobertJames's user avatar
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How can I find which serial port is connected to Nucleo board via ST-LINK?

I have a Nucleo board connected via USB to ST-Link running on Ubuntu Linux. ST-Link works well in that it can program the board. I would like to use the built in virtual serial port, but am not sure ...
SRobertJames's user avatar
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STM32: I2C Master Slave code does not work

I have two board: nucleo U575zi-q & nucleo L432kc u575 is the master board, l432 is slave. I want to transfer data between Them, and below is my two codes. this is my master's code ...
이준표's user avatar
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NUCLEO-H723ZG HAL LWIP won't ping

I am having issues creating the simplest setup with this board. LWIP initializes, I can see my static IP address in the debugger. I can detect if cable is plugged-in/unplugged. MPU is configured and I ...
Arkadiusz Rycyk's user avatar
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Nucleo-32 L432KC doesn't work properly when powered by the 5v pin

I uploaded the simplest code to my Nucleo-32 L432KC STM32 board. The LED3 should just blink every 1 second. It works perfectly when the board is connected to the computer by USB, and it also works ...
Avi Levin's user avatar
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How connect the STlink on NUCLEO f401RE to communicate with STM32F4 discovery?

I have this configuration of MCUs. I need to know how connect the STlink on NUCLEO to discovery because I need the Virtual com PORT.
Cristian DAuria 's user avatar
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stm32duino nucleo l432kc - No space left on device error

I started writing an example code for a new board I purchased: STM32L432KCU6 32 PINS (Nucleo-32). I'm using Arduino IDE to write the code and upload it to the STM32 board. Unfortunately after a few ...
Avi Levin's user avatar
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STM32 Nucelo board's LD1 LED color and ST-LINK Utility

When I program my STM32 Nucleo board(STM3232 F302R8) through PC's USB, the LD1 LED of the board is always red after I upload the code by using ST-LINK Utility. And color remains red even though I ...
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"Textbook" example of UART doesn't work on stm32f756zg. HAL_UART_Transmit() returns HAL_BUSY

I want to send a message through uart5 of my nucleo board. I configured UART5 appropriately as per https://wiki.st.com/stm32mcu/wiki/Getting_started_with_UART . Here is main(): ...
David's user avatar
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Nucleo32 with STM32F303K8 crashes when setting PA2 as Interrupt and triggering it

I am using a nucleo 32 for my project. I am using arduino and creating a TCP modbus and RTU modbus server. I have set the pins as folows: Description Type Arduino STM32 Pin Number Pulse input 1 ...
DriesVanDB's user avatar
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278 views

Nucleo F303RE STLink connection problems in STM32CubeIDE

I have tried to flash/debug Nucleo F303RE using STMCubeIDE and I have encountered several problems. First when trying to start debugging I receive following message: "Starting server with the ...
Filip's user avatar
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GPIO and pinouts?

I am about to start a project with an STM32 in my internship and the board that I am supposed to be using is the STM32H750-dk. I am new to all of this and was told get myself familiar with the ...
confusedfresher's user avatar
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Turning off the DEM 128064B SYH-PY display

I'm trying for warming up to turn off and on the DEM 128064B LCD based on the instructions defined in the datasheet page 12 section 10-1, but I nothing changes and the LCD is on always with all the ...
rEzA's user avatar
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Nucleo64 Vdd maximum output current

I'm trying to power an ESP-01 (8266 chip) using the 3.3v pin of a nucleo 64 stm32F446re board, but the module won't power up (red LED off). I've searched the web for information on the maximum current ...
Andrea's user avatar
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1 vote
1 answer
443 views

Nucleo-32 regulator maximum input voltage

I have the STM32's Nucleo-32(NUCLEO-F303K8) board with its data sheet here. And according to the data sheet powering the board externally is possible up to 12V mentioned as follows: But in the same ...
cm64's user avatar
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1 answer
117 views

Doing several UART transmissions at the same time

I am trying to transmit three (65535 bytes) buffers through a UART. I just want to transmit all of them. The main buffer is separated into three buffers. When I tried to transmit all of them I was be ...
AHMED's user avatar
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619 views

Transmit large data through UART OR Ethernet

I followed the AN4666 to read data from GPIOC ports triggered by timer input capture mode and save into a large buffer of uint8 in size of (510000) arrays, all I want to do is to transmit the full ...
AHMED's user avatar
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1 vote
1 answer
757 views

External power supply for a microcontroller board

I want to power this Nucleo board by a 5V external source using E5V pin. But regarding the external power supply choice there is the following section: I was planning to use this 5V SMPS. I didn't ...
ty_1917's user avatar
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STM32 Nucleo f401RE 1.44 inch OLED ST7735

I try to drive ST7735 OLED display with nucleo board. I worked with a ready-made example I found on the internet, but I could not print anything to the screen. When I compile my code, I don't get any ...
mco's user avatar
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1 vote
1 answer
210 views

i2c oled display problem with STM32F401RE Nucleo Board

I have an i2c oled display with an SSD1306 driver. I want to drive this display with my nucleo card. Pin configurations are shown below. I provided the i2c connection on the display via i2c1 on the ...
Enes Orhan's user avatar
1 vote
1 answer
297 views

Logic analyser/trace error in Keil uVision5 with Nucleo M4 Board

I am currently using a NUCLEO-WL55JC board. However, I could not initialize the logic analyzer because of the error "Trace: No Synchronization". I am programming it as single-core (Cortex M4 ...
Faruk UNAL's user avatar
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1 answer
506 views

HAL_SPI_Transmit does not send the bit pattern expected way

As a beginner, to test HAL_SPI_Transmit function for this Nucleo board, I wanted to send 0b10101010 on MOSI line and observe it on scope. But I don't see that bit pattern on scope, instead I see the ...
cm64's user avatar
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1 answer
296 views

Reading MPU6050 with Nucleo-32, Arduino IDE

...
Gergő Szabó's user avatar
1 vote
1 answer
207 views

STM32F303RE Nucleo freezes at clock rate >40MHz

I have a STM32F303RE Nucleo board with Mecrisp-Stellaris Forth. The Forth console goes through USART2, the interface connected to the ST-Link part of the Nucleo board (changed from default USART1). ...
zrnzvxxy's user avatar
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2 votes
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Using CAN bus on a NucleoH743 with Mbed

CAN bus is not working on my project. We are using a Nucleoh743 (STM32h743) programming it with mbed (Mbed OS 6.13) I have made sure the bus is properly made, with the correct termination resistors, ...
Diego Garcia-soto's user avatar
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2 answers
1k views

How to find the current consumed by an STM32 Nucleo-144 board [closed]

I'm trying to find the current consumed by ST Nucleo board for one of my applications to understand how it can be minimized on requirements.
Ramachandruni Chandana's user avatar
1 vote
2 answers
3k views

STM32F303 ADC Differential Mode Offsets

I am trying to configure ADC1 on the STM32F303RE Nucleo board and I have not been able to find any good documentation on how differential mode works. I used CubeMX to setup the HAL with ADC1 Channel 8 ...
Mike's user avatar
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1 vote
1 answer
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mush instead of signal stm32 nucleo-l053r8

Generating a triangular signal. The "printf" line is commented out. If the "printf" line is uncommented, instead of a signal, mush. How to fix it? (stm32 nucleo-l053r8) ...
at0m's user avatar
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1 vote
1 answer
1k views

What are the connectors CN11 and CN12 on STM32 Nucleo-F103RB used for?

On the STM32 Nucleo-F103RB board, there are two connectors on the upper part named CN11 and CN12 respectively. Next to them there's a text that says GND, but if they are grounded why do they have ...
Nefeli's user avatar
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1 answer
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STM32 HAL VS dual 595 driven 7 segment display

I got this arduino shield with four 7 segment display what I'm trying to make work with STM32 nucleo. The displays are driven with two 74HC595 shift registers. I wrote the following code to control it,...
LocalHero's user avatar
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STM32L476RG ADC bare metal

I bought STM32L476RG nucleo to learn bare metal programming. Im following a online course on udemy and so far i have suceeded with everything except hitting a wall now with ADC. First of all i have ...
Mini Tamm's user avatar
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1 answer
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Recognizing the COM port used with STLINK

I'm using a STM Nucleo as a bridge to flash a BLE EM9304 module and another ST-LINK from another STM Nucleo to flash a STM32. Both MCU are in a third board. So, I'm integrating the sequence of ...
Luan Florencio's user avatar
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323 views

Issues using printf and Serial in Serial Monitor of Platform.io Arduino with STM32

Has anyone else had issues with using printf and Serial together? If I do some printfs then a Serial.println() no subsequent printfs show in the serial monitor. What I discovered was that if I avoid ...
Volksman's user avatar
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2 votes
3 answers
13k views

Send Data With Usart STM32

I have to send data using the usart2 in my nucleo64 stm32f446re board. The type of data I have to send is float but until now I always send uint8_t using this code; ...
Andrea's user avatar
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2 answers
898 views

STM32 UART send broken frames

I have a NUCLEO-F303RE board and try to send some data by one-wire UART with 57600 baudrate. But frames are sent broken (see images below): How must to be: What I get: I've tried to use different ...
Shadasviar's user avatar
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1 answer
2k views

Has anyone had to sign a form from Mouser before an order was allowed? (Nucleo Board)

Not sure if it's exactly the right place but here it goes. I was ordering a STM32 Nucleo board for the first time (the NUCLEO-F756ZG), along with other parts as I'm working on my own project for one ...
TheCoolest2's user avatar
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2 answers
412 views

STM32 enabling clock for port C sets IDR bit 1

Why does enabling the clock for port C set the IDR bit 1? It's the configuration for a Nucleo-F767ZI.
jkf's user avatar
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STM32F746 on Nucleo-F746ZG - difference between PWM1 and PWM2 signal names

I understand that each timer channel can be configured at either mode 1 or mode 2. On the timer signal names, I see "PWM1" or "PWM2." I'm confused by this nomenclature. Does it ...
Steve Weidman's user avatar
1 vote
0 answers
200 views

STM Nucleo-F722ZE UART weirdness when setting the baud rate (it needs to be set 3 times larger)

For the past days I've been trying to communicate via UART between an Arduino and an STM32 Nucleo F722ZE board. After much troubleshooting with the oscilloscope I realized that when I set a baud rate ...
Rpreda's user avatar
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0 votes
4 answers
2k views

Recieving and processing array of data on STM32

I am trying to use RealTerm to send a .txt file containing a 10X10 array of data to my STM32 NUCLEO board using an UART. So far I have been using HAL_UART_Receive_DMA and I have been able to store ...
Astroguy1234's user avatar
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0 answers
314 views

STM32 NUCLEO-F302R8 UART : RX pin does not trigger RX callback

I'm using an STM32 NUCLEO-F302R8 and wish to communicate with it using any UART instance (1,2,3) through its RX/TX pins. So far, I've managed to read from the TX pin but never managed to send messages ...
jwav's user avatar
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