Interface and connectivity ICs

Hi, We are developing firmware on a custom board with Bluenrg and GSM for google cloud iot connectivity. In between, we are facing some issues on creating JWT (ES256 encoding) tokens . Is there any compatible SDK available for the same

BlueNRG-2 (BlueNRG-M2SA) programming of flags

Hello we have a BlueNRG-M2SA based design and we are debugging using an STLink/V3 (we have the STLink-V3 Set). This works most of the times (J-Link is working better). Now, one of the devices is read protected and we can not get it to debug anymore. ...

MPN: M24C16-FMC6TG Body Marking: 4DFT-8910 Need to decode body Marking and confirm part is correct as per MPN.

How to use PAN1780 (BLE module) with STM32L433 ?

Hi everyone,I am currently carrying out tests to choose a BLE module for future development.The system is as follows:An STM32L433 manages the application side and controls the module in charge of BLE communicationA BLE module which contains the Bluet...

Update/Flash firmware of BCN002V1D, (i.e. Blue Tile BCN002V1B host board)

I have a BlueNRG-Tile Eval Kit (STEVAL-BCN002V1B) and use the host board (BCN002V1D) for flashing my devices with a similar interface as the actual sensor tile. Now, the host board (BCN002V1D) has stopped working and starts in STM32 DFU bootloader mo...

How can I find the battery service on the Bluenrg-2 BLE chip?

Hello togetherI'm currently working on a project with the Bluenrg-2 232 Chip. The device is battery powered and in order to notify the user, when the battery is low, I would like to read out the battery level. For that, I thought, I could use the def...

i want support for start communication with st25dv04k. i have ST25DV-I2C Linux user space driver.

i have good experience of i2c communication over linux. but my basic fundamental to communicate with nfc is weak. so please provide reference of theory to communicate with this ic. please guide me from which point i have to start. i will follow steps...

Which WI-FI module to use?

Hello everyone!I'm planning to extend connectivity capaibility of my board where I use STM32f427 MCU, with WI-FI interface.Till now, I was looking for RN1810 and ESP32.Can you recommend me which WI-FI module is mainstream these days and easy to use?W...

BlueNRG issues with timers & low power modes

I'm having issues with the BlueNRG multifunction timers when using the sleep low power mode (SLEEPMODE_WAKETIMER). I've stripped down my project to create a minimal reproducible example which is described below.A virtual timer is being used to period...