2025-10-07 4:26 AM - edited 2025-10-07 5:04 AM
Hello ST Community,
I’m currently working on a project where I’m using the STM32L475RGT6 MCU to interface with the BlueNRG-M2SA Bluetooth module via SPI. The goal is to establish BLE communication between the MCU and a mobile device. However, I’ve encountered a few challenges and would appreciate guidance or reference material.
If anyone has:
2025-10-09 8:51 AM
Hello @Muyeez and welcome to the community;
May be these ressources can help you:
You can find in the readme file the used pins for SPI:
- CS: DIO11
- MISO: DIO2
- MOSI: DIO3
- CLCK: DIO0
- IRQ: DIO7
Thank you.
Kaouthar
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2025-10-09 10:20 PM
- CS: DIO11
- MISO: DIO2
- MOSI: DIO3
- CLCK: DIO0
- IRQ: DIO7
i wanted to know the proper spi file which can make the module advertise and communicate with stm32l475rgt6 and it is a custom board. i have attached the schematic too in which i wanted to know is it correct if correct what could be the fault that im not able to communicate