手持示波器实现正弦波、方波、三角波的频率、脉宽、电压幅值的测量，通过蓝牙模块实现Android手机远程测量和数据存储。该部分为Android源码(The hand-held oscilloscope is used to measure the frequency, pulse width and voltage amplitude of the sine wave, square wave and triangle wave, and realize the remote measuremen

实现蓝牙实时接收数据并以波形的形式显示在手机屏幕上，绘图采用sufaceView(use surfaceview to make buletooth link)