这是一个检测蓝牙连接状态的程序，可以在检测到蓝牙配对丢失时发出报警信号-This is a Bluetooth connection status detection program, you can detect the Bluetooth pairing is lost when an alarm signal

基于ADuC7026开发的蓝牙示波器，能在手机端显示被测信号的波形、幅值、时基等信息。-ADuC7026 development of Bluetooth-based oscilloscope can display waveforms, amplitude, time base of the signal information such as the phone side.