Positive

led relation document

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. )

说明：  PS2无线手柄资料，带例程 ps2 手柄兼容索尼的 PlayStation2 游戏机的遥控手柄。索尼的 psx 系列游戏主机在全球很是畅销。不知什么时候便有人打起 ps2 手柄的主意，破解了通讯协议，使得手柄可以接在其他器件上遥控使用，比如遥控我们熟悉的机器人。突出的特点是这款手柄性价比极高，按键丰富，方便扩展到其它应用中。(PS2 wireless handle data with routine The PS2 handle is compatible with the remote control handle of Sony's PlayStation 2. Sony's psx series game console is very popular all over the world. I don't know when someone came up with the idea of PS2 handle, cracked the communication protocol, so that the handle can be connected to other devices for remote control, such as remote control of familiar robots. The outstanding feature is that this handle has high cost performance and rich buttons, which is easy to extend to other applications.)

mems books--contains all information about micro electro mechanical systems

说明：  详细介绍基于C51的芯片FS8610的DLL文件调用函数，方便用户开发(Detail based on the C51 chip FS8610 call the DLL file function, user-friendly development)

direct sparse solver for linear equations

说明：  led这种裸机的程序，可以先试试手啊哦，还是可以的，欢迎交流学习(led frequently-used vi/vim commands to provide more powerful editing capability for notepad++)

给初学89c51朋友一个蜂鸣器奏乐(生日快乐)的程序(For beginner 89 c51 friend a buzzer playing music (happy birthday) program)

使用PIC16F877 picc编译环境做的红外遥控接收程序(Environment using the PIC16F877 picc compiler to do infrared remote control receiver)

国产arm芯片MM32F103的CoreMark跑分，实际测试过，在keil5上实现(MM32F103 CoreMark)