Try to use with AVR, PIC, Arduino, Raspberry Pi, etc...
Default data size is 3 bytes(RGB).
If you want , you can add Alpha component and several markers.
・ storage location is displayed when you save.
・ The data saved folder "RGB Backup" is the common folder to Bluetooth RGB Controller.
※Permissions for backup： WRITE_EXTERNAL_STORAGE , READ_EXTERNAL_STORAGE
※Permissions for advertising： INTERNET , ACCESS_NETWORK_STATE