STM32 MCUs Wireless

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.

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 ...

What is mean by 0R in MB1355 schematics

Hi Sir,In the MB1355 schematics what is mean by 0R value. If it is 0 Henry what is the use of placing 0Henry. Does 0 Henry gives any effect??

Resolved! What is the difference between STM32WB55 and ES32WB55?

Hi, I have two types of MCUs that I am building a board with. One is labeled as STM32WB55, while the other one is ES32WB55. Is there any difference between the two? I could not find any information on the ES32 chip in my Googling. I am having trouble...

STM32WB55 : How to flash the binaries for custom board ?

Hello everyone,We are developing a custom board based on the STM32WB55CGU in my company, and I would like to know if the only way to flash the binaries for the CPU2 is by using the USB DFU bootloader ? Can we use a connection handled by a ST-Link ?It...

Resolved! HAL_SAI_Receive_DMA doesn't start the DMA

Platform: STM32WB55 discovery board connected to I2S codec.My mission: To receive data from the codec using DMA transfer.Calling to HAL_SAI_Receive function returns the data correctly so I guess that everything is configured correctly.When calling to...

After wake up from stop mode with a RTC Alarm the device stop working when I use the uart link. Do you know why ?

Hi !I got a discovery board B-L072cz-LRWAN1. It go to stop mode and when the Alarm trig it wake up and run the program correctly. But when I use the uart for print or anything else, the program stop. Here is my code. It's based on the cube-LRWAN1 exa...

How To Connect Your First LoRa Device ( STM32L072CZ Microcontroller ) Using B-L072Z-LRWAN1 And The Shield X-NUCLEO-IKS01A2 From STMicroelectronics

Hello , Today I Wrote My Second Article Entitled How To Connect Your First LoRa Device ( STM32L072CZ Microcontroller ) . In This Project i used The B-L072Z-LRWAN1 Development Board From STMicroelectronics and Also the Shield X-NUCLEO-IKS01A2 From STM...

What does AT+CERTIF command? (AT commands in I-CUBE-LRWAN for FCC certification)

Hello,We designed a device with CMWX1ZZABZ-091 LoRa module on I-CUBE-LPWAN (Our FW is based on AT_Slave example).Now we are in the middle of getting FCC certification and our certification lab asked us to provide a command for testing radio.We recomm...

Resolved! RTC clock ticking faster than actual.

Hello everyone,I am currently developing a code for my custom board that has BLE communication along with RTC and timer(PWM) initialized. I am currently testing my code first on the PNucleoWB55 development board. The issue is that the normal RTC_Alar...

Resolved! Why I can't received a message downlink immediately?

Hi All; I am use I-CUBE-LRWAN version 1.2.1. I am program in class C mode. I send a message downlink from network server and I checked that the data was actually sent out. Why I can't received a message downlink immediately. Could you please adv...

Can SAI and BLE used together in one application?

I am using STM32l476RG nucleo board and X_Nucleo_IDB051.I want to transfer SAI peripheral data over BLE.I have tried to generate code using CUBEMX but device fails to advertise as well as it is fails to capture data over SAI.Alone SAI example is work...

STM32 MCUs Wireless

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