STM32 MCUs Wireless

STM32WB55REV6 custom target board BLE wireless stack program issue.

I have STM32WB55REV6 based custom target board which contains 512KB flash. I tried to download FUS and BLE stack, but it seems like did not programmed correctly and Host controller (CM4) is in wait for event from network processor (CM0). Following ba...

Why Switching EU868 to US915 causes CRC errors in cloned I-CUBE-LRWAN?

Hi all,My problem is as follows: using ChirpStack to collect data from custom built nodes where the LoRaWAN part is derived from ST LRWAN 1.3.1 codebase, the following happens. Compiling the firmware with Region set to EU868 everything is hunky dory ...

STM32WB55 FUS issue ==> firmware not authentic or reconnexion issue during upgrade

Hello,I' trying to update the FUS on my STM32WB55CG (1M), I have the latest STM32Cube_FW_WB_V1.3.0, I followed the Release_Notes in the STM32WB_Copro_Wireless_Binaries :for information I use this chip on my own board (not a nucleo)I switched the MCU ...

is there a STM32W based BLE hardware module which is certified (FCC/EN)? We use a NINA-B112-00B based on Nordic Semiconductor right now and would like to replace it by an STM32W type with similar dimensions and certifications.

Not able to have BLE and RTC alarmA working together on STM32WB

Hello everybody,I've a project with a stm32wb55 and I need following functions :BLERTC (Tamper, Calendar and alarms,backup registers)I get started from Nucleo example IBeacon.I got some difficulties to start CM0+ but thanks to an other topic I succee...

Is it possible to multiplex UART and configure in STM32WB55 ?

I am looking for a possibility to connect multiple UART to the device and thus looking at a possibility of connecting via a multiplexer like SN74LV4052A. I wanted to use 2-ports for -wire and 2 for UART standard communication. How do I accomplish tha...

STM32WB55 QFN48 Antenna Band Pass Filter

Hello, I am from Turkey and I want to use my university project STM32WB55 SOC. However, I do not have the chance to obtain Murata production from band pass and low pass filters used in reference designs. MLPF-WB55-01E3 IPD will not be in stock until ...

For SPBTLE-1S, we measure the signal strength. The result of our OK product is around -3DBM, and the result of NG product is around -29DBM. What is the normal signal strength of this product? What is the cause of this abnormality? Looking forward to reply

LoRa Discovery Kit

Posted on April 05, 2017 at 22:40     LoRa Discovery Kit   STM32L072 and LoRa Discovery Kit featuring Open LoRa module by Murata using STM32L072CZY6TR MCU   http://www.st.com/en/evaluation-tools/b-l072z-lrwan1.html   Features   Ultra-low-power STM32...