Bluetooth headset device
The project was about developing and maintenance firmware of wireless headset device which offers full integration with host device i.e mobile phone.
As the main unit, the ARM Cortex from STM32F4 series was choosen and the bluetooth technology was used in communication purpose. Whole software stack consists of an firmware based on uC/OS real-time operating system and host application running on Android/iOS mobile phone.
Created headset is widely available all over the world and selling in thousends pieces.