proteus仿真，电子琴可以实现下一曲播放，弹奏等功能

控制LED灯渐亮渐灭分段显示和简单图形显示程序-Control of bright LED lights gradually becoming sub-out display and a simple graphical display program

Simulink and Stateflow model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model's packet type, slot pair and channel type.