NUCLEO-WBA25CE1 "Bootloader limitation"
Hi, As per UM3610 « section 7.7 », a "Bootloader limitation" has been found in NUCLEO-WBA25CE1. Please refer to "Workaround" section if you are facing this limitation.
STM32 MCUs Wireless
Ask questions and discuss STM32 wireless solutions and their implementation for running Bluetooth LE, Zigbee, LoRaWAN applications.
Forum Posts
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...
Please go and visit our wiki pages to support your projects on our wireless product families.
Please go and visit our wiki pages where you can find a lot of information on our wireless product families (WB, WBA, WL) and the supported protocols: BLE, Zigbee, Thread, Matter, Lora, ... To begin your technical journey, please start from this top ...
Update stale or lost BLE pairing information on current iOS version.
Greetings,in one of my current projects i am using a STM32WB55 as peripheral which requests a secure connection with the host (bonding mode = 1). When the connection is newly established, everything works as expected - the "pairing" dialogue pops up ...
Issue with 32 MHz Crystal Stability Affecting LoRa Gateway Communication
Dear Sir/Madam, We are using the STM32WLE5CCU6 LoRa MCU for our custom LoRa application project. We are able to detect the MCU successfully, and flashing/programming is also working without any issues. However, with our LoRa application, we were init...
Resolved! Custom STM32WB55 BLE+Zigbee board can only connect 4 devices max
Hi , I have designed one product with STM32WB55 for BLE and Zigbee concurrency. The schematic design I have followed is the with out SMPS design (LDO mode). VFBSMPS, VLXSMPS, VDDSMPS pins are connected to VDD. Our firmware will scan for BLE devices a...
How to receive the time from the network server?
Split from RF Communication with Nucleo-WL55JC Boards - Seeking Guidance This is a different question. Hiii,I need to receive the time from the network server. How to fix this issue.Give me the clear steps to fix .
[STM32WB55] Random "Silent" Disconnection & Reconnection Loop. FW V1.24.
Hello everyone,I am facing severe stability issues with a Nucleo-WB55RG project generated via STM32CubeMX (FW Package V1.24.0).The Core Problem: The device advertises and connects, but suffers from random "Silent" Disconnections (no event generated) ...
Resolved! STM32WBA65 UFQFPN48 Footprint Issue: OSC32_IN/OUT Pin Mapping Discrepancy
Hi all, Im currently designing my own pcb with a STM32WBA65CIU6 MCU in the UFQFPN48 package.Im doing this for the first time (still gaining all the knowledg needed) and currently ran into the following problem:I'm having trouble understanding the foo...
STM32WB55CGU6 Bluetooth range issue
Hi Team, We are using the STM32WB55CGU6 for one of our application. Since, the product has internal bluetooth functionality, we are usin for our application. However, the expected range is not meeting with the application that we anticipated. Kindl...
Nucleo-WL55JC1 - Lora Network Time Request
Good day I am currently trying to run the end_node sample located on the STM32Cube_FW_WL_V1.3.1 package. I would like to know if i can have some guideline on how to use LmHandlerDeviceTimeReq(). Which class do i need to use?What lora server allows...
STM32CubeMX generated code for STM32WBA52 is not building
Hi - does anyone have a solution for this?I have the latest CubeMX with STM32CubeWBA Firmware Package V1.8.0 / 29-October-2025 installed.The attached .ioc file is a minimum configuration for BLE. I am attempting to just get basic BLE advertising work...
STM32WB - How to implement the Filter Accept List
I am working with the NUCLEO-WB55RG, trying to get the filter accept list ("white list") feature working. Here is what I'm doing: - The NUCLEO is a peripheral implementing a custom BLE template, generated with STM32CubeMX 6.16.1. The "full" wireless ...
