Interface and connectivity ICs

HAL_I2S_TxHalfCpltCallback and HAL_I2S_TxCpltCallback are not called on a 50:50 duty cycle as expected when using a circular buffer to I2S.

I am outputting audio over I2S at 8k with a 128 sample buffer. I was getting timing issues so I turn on an LED on the Half way callback and turn it off on the complete callback. I expect a 50% duty cycle. But I get the output below on my scope. Anyon...

Programing Error in BLUE NRG-M2SA

I am trying to load the DTM UART HEX file Using St link utility, its Showing Programing Error @0x40001245, how we can load the Image

how to calculate blue nrg stack usage size.

I am using the BLUENRG-M2SP ble chip set , i created the 2 services ,there services are Primary Services 1. first service has the 3 characteristics and Second services has the 5 characteristics , if i add third services , i am getting Lack of Memory ...

Hi currently, I am working in powerline communication using ST7538-Q and if anybody doing here

How to reduce RF transmission power for S2915A1-nucleo? OS is Contiki and network 6LoWPAN?

I am using the B-L475E-IOT01A kit. I want to use spsgrf sub GHz module. There are only libraries available for that. Is there any reference manual available that can be referred to?

I want to understand more about registers and RF activities.

I am trying to send data over bluetooth to stm32f411 board. I am using HC-05 v2 bluetooth module which communicates over UART interface. Below is android studio code and stm code

When I'm sending data from computer it works perfectly- data is sent and STM's response is received over UART in RealTerm. However switching to bluetooth module and sending and receiving data from android app doesn't work as expected. For now I want ...