- **M1**: main controller that connects to the EEG headset, parse data and output them to Serial (terminal) and to the second controller M2 through UART
- ```/M1/M1.ino``` - main, actual version
- ```/M1/icons.cpp``` - icons in bitmap for GUI
- ```/M1/other_versions/2_threads``` - verison with 2 threads and loop but not working properly
- ```/M1/other_versions/without_multithreading``` - older verison just with loop, it doesn't have all features
- **M2**: second controller that send request to M1 for data (```0-4```) and output them on the screen