串口通信、数据计算、波形显示 实现无限制串口通信、微型计算器和串口波形显示 Delphi 7.0常用函数速查手册、SPCOMM控件readme-serial communications, data, waveform realize unrestricted serial communications, micro calculators and serial waveform display Delphi 7.0 commonly used functions Check manua

一款模拟正弦波，方波等函数的波形发生器。设置好起始频率、结束频率以及周期即可开始演示波形曲线。你可以调整采样、缓冲，增益调节，振荡器等参数进行修正。这个代码附带的几个控件不错，有点像工控组件，如旋钮，开关，LED显示-A simulated sine wave, square wave function, such as the waveform generator. Set up the starting frequency, ending frequency, and waveform pr