STM32 MCUs Wireless

Ask questions and discuss STM32 wireless solutions and their implementation for running Bluetooth LE, Zigbee, LoRaWAN applications.

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Matter software expansion for STM32Cube

Dear all, The X-CUBE-MATTER Expansion Package is now available on our official website following this link  MATTER - Matter software expansion for STM32Cube - STMicroelectronics  It is a reference implementation for the demonstration of Matter on ST...

Ouadi by ST Employee
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Nucleo WL55JC2 - Generate continuous 432.492 MHz

Hi,I’m looking for some help — I’m trying to generate a continuous waveform at 432.492 MHz using the Nucleo WL55JC2, but I haven’t had any success so far. I also tried at 861.1 MHz, but still got no output.After extensive troubleshooting, I discovere...

Franck95 by Associate
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  • 2 replies
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Resolved! THREAD: Duplicate IPv6 address

Dear ST Support Team,I am using STM32WB55 with firmware stm32wb5x_BLE_Thread_dynamic_fw.bin release V1.23 and application based on samples in STM32CubeFW. I flashed two devices and set both devices:OT_LinkMode.mRxOnWhenIdle = 1U;OT_LinkMode.mDeviceTy...

how to synchronize several BLE devices

HiI have 6 BLE peripherals with some ADC's. I need to make sure that all 6 devices sample at the same time. The Accurracy needs to be below 500 micro seconds. Is there a way to synchronise devices via BLE stack ?Thx

MK..1 by Associate III
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STM32WB55CEU6 and BLE stack programming

Dear community, On my board, a STM32WB55CEU6. My aim is to add the DFU BLE possibility for code update.On the first picture, you will see mu CUbeProgrammer Interface.After click on "Read FUS infos", i'm able to read status.The FUS is ok, but the stac...

Capture d’écran 2025-10-23 135504.png Capture d’écran 2025-10-23 135918.png
JL_Loyd by Associate II
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  • 1 replies
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STM32WB5MMG with Full BLE stack / Power Consumption

Hi All,I'm currently using an STM32WB5MMG on my project and I'm struggling to reach the expected power consumption.Please note one known error on the PCB: the RF_OUT and ANT_IN pins, which should be connected to GND according to the datasheet/guideli...

Colpitts by Associate
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Internal RTC Alarm Issues

We are currently developing two LoRaWAN-based products using STM32WL55J (battery powered and Mains AC). Both devices are designed to sample sensor data every 30 seconds and transmit it according to a defined daily duty cycle.However, we are facing ch...

STM32 Stop Mode 2 not entering

Hello everyone,I’m working on a project using the STM32WB55RG microcontroller with FreeRTOS, and I’m trying to put the MCU into STOP Mode 2. The system is supposed to wake up regularly using the RTC.I’m using LL libraries to configure the power regis...