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at89c2051利用74ls164 驱动 共阳极数码管(74ls164 driver to use a total of at89c2051 digital tube anode)

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. )

51单片机的闪烁灯代码一，非常适合初学者的使用，在这分享给大家。(51 MCU flashing lights code, very suitable for beginners to use, in this share to everyone. )

ZB220GDNZ_PSR测控装置的IEC61850配置的icd文件(ZB220GDNZ_PSR of IEC61850)

数码管静态显示源代码，可以直接调入工程使用(Static digital tube display the source code can be directly transferred to the engineering use)

51单片机开发步进电机源代码及报告解释说明(a progress of 51MCU introduction)

MODSCAN32英文版， 很好用的。(MODSCAN English, very good use.)

51单片机的4x4键盘扫描c语言程序，大家看看，(51 single-chip 4x4 keypad scan, we look)

① 设计进程控制块PCB表结构，分别适用于优先数调度算法和循环轮转调度算法。 ②建立进程就绪队列。对两种不同算法编制入队子程序。 ③编制两种进程调度算法：1）优先数调度；2）循环轮转调度 (① design process control block PCB table structure, respectively, for priority scheduling algorithm and round-robin scheduling algorithm. ② establish a process ready queue. Two different algorithms for the preparation of subroutine into the team. ③ preparing two kinds of process scheduling algorithm: 1) priority scheduling 2) round-robin scheduling)

NRF无线模块程序，用于飞思卡尔智能车无线数据传输(NRF wireless module program for Freescale smart car wireless data transmission)