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STM32 MCUs Wireless

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

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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.

ctrois by • ST Employee
  • 132 Views
  • 0 replies
  • 0 kudos

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
  • 4030 Views
  • 0 replies
  • 3 kudos

Resolved! More Info about STM32WB0

So is this chip now completely released or not?The product page is available and says it is active, but it does neither offer a reference manual nor a price indication.Form what I understand it is basically a BlueNRG-LPS with more Flash. Meaning the ...

OliM by • Senior II
  • 1187 Views
  • 1 replies
  • 0 kudos

[BLE RSSI] Reading RSSI value uint8_t

Hello, I am working with STM32WBA52CG as a central and I want to read the RSSI from the incoming advertising packets. The RSSI value should be a negative value in dBm, however it is defined as uint8_t in the AdvertisingReport_t structure. Can someone...

Screenshot from 2024-02-12 10-41-02.png
Portilha by • Associate II
  • 8523 Views
  • 17 replies
  • 2 kudos

RF matching network _ Z values _ nucleo RF performance

Hi,I started a Circuit/PCB design with STM32WL55CCU (UFQPN48) to work at 433MHz.I was referred to ST design for low band/Hight power and to AN5457.But I am style missing for some information:What is the PA impedance at 433MHz for UFQPN48 package?In A...

malarab by • Senior II
  • 1322 Views
  • 1 replies
  • 0 kudos

Resolved! Setting up a LPTIM with AR Interrupt on STM32WLE5

I have a program that requires a 30 second wake up period to feed a watchdog but use as little power a possible. To initiate the LPTIM using an external 32.768kHz watch crystal I am doing this:__HAL_RCC_LPTIM1_CONFIG(RCC_LPTIM1CLKSOURCE_LSE); //LSE L...

HWickham by • Associate II
  • 2453 Views
  • 2 replies
  • 1 kudos

STM32WL RX noise figure - adding an external LNA

Hi,I am current reading the material to develop a LoRa application. My PCB is wicked small, therefore the chip-antennas wont have a good ground plane and therefore bad efficiency.While reading about the RX-path, I stumbled upon AN5457 where in figure...

Albi G. by • Senior
  • 3308 Views
  • 2 replies
  • 2 kudos

Resolved! SMPS Clock Mux Errors

Whenever I set the SMPS Clock Mux to HSE /4 /2 = 4 I can save the project without errors but whenever I reopen the ioc file I get a warning that there is a clock issue that needs to be fixed.  I go into the clock configuration and it's bee reset to H...

nollstead by • Associate III
  • 1792 Views
  • 2 replies
  • 0 kudos

Resolved! STM32WL5MOC Certification

Hey,It states on the product page for the STM32WL5MOC that it is certified. In the presentation for the part the FCC logo is under the "Certification" box. Does this mean that the module already has FCC certification? If so, is there a way to view th...

jrlyon by • Associate
  • 1414 Views
  • 1 replies
  • 0 kudos

Resolved! Rejoining zigbee network fails

Dear ST,I am trying to configure a simple zigbee centralized network with one coordinator and one endpoint, but I can't manage to correctly configure a rejoin request.As I understand it, a rejoin can be used to join a network as well. As per the docu...

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