本程序是基于心电信号的呼吸率检测算法，是监护仪生理信号检测的一个重要算法。 本程序在ARM7、9的一直都可以用。

PID controllers are popular and effective in many systems. i explain how to implement and tune a PID controller through concrete examples of MATLAB controlling a VEX EDR Robot through a wireless serial link. The download contains software, documentat