Based-on-MSP430-andDS1302

基于FRDM-KL25Z及简单运放（LM324）设计出了一套小巧、低成本的心电监测装置。它不但能够结合上位机实时显示心电图而且能够将采集的心电信号储存于SD卡，用于24h心电监护，以备观察不同时间段心血管疾病的症状。(FRDM-KL25Z and simple operational amplifier (LM324) based on the designed ECG monitoring device with a set of small, low cost. It can not only combine with the real-time display of the host computer and can store the collected ECG signals in SD card for 24h ECG monitoring for the observation of the symptoms of cardiovascular diseases at different time periods. )

一款电厂巡检软件，很简单的C++处理程序，适合初学者使用，C++(A plant inspection software, very simple C++ handler for beginners, C++)

使用C51单片机开发的电梯源程序，单片机开发源程序(Use elevator source C51 MCU development, microcontroller development source)

可以产生幅度、频率可调的方波，频率50hz到1M(Can produce the amplitude, frequency adjustable Fang Bo, frequency of 50Hz to 1M)

对于闭环控制有很好的说明以及pid算法的具体实现(Specific implementation for closed-loop control has a good explanation and pid algorithm)

说明：  数字滤波器，AD采样的值进行数字滤波，得到较理想的值(Digital filters, AD sampling the value of the digital filter, to be more ideal value)

这是基于单片机的计算器程序，可以实现加减乘除的功能(This is based on single-chip calculator program, Math functions can be achieved)

这是一个液晶的测试程序,是一款用ST7920做芯片的12864液晶的程序,绝对可用,方便而且可移植调用,还附有说明书(This is a test procedures for liquid crystal, is a ST7920 to do with the 12864 chip LCD procedures, absolutely available, convenient and portable call, accompanied by brochures)

語音的16bit PCM Data 轉成PWM方式輸出(Voice of 16bit PCM Data converted into PWM mode output)

详细描述了基于ADSP-21262的数字压限器的设计，给出了算法流程，可以根据其描述进行实现(A detailed description of the ADSP-21262 digital limiter based design, flow chart of the algorithm is given, according to the description of implementation)