8051模拟I2C，I2C单字节读写和多字节读写

Experiments for the MSP430 Starter Kit

LPC2148 SPI 读写SD卡程序sdcmd.c-LPC2148 SPI

8051单片机的5x7点阵显示代码。这将显示连续滚动的字符串。 ；

PLC 高级指令 包含有osr、osf,算术指令、移位指令等-Senior Command PLC contains osr, osf, arithmetic instructions, shift instructions, etc.

2232接收 232接收 -2232 receiver 232 to receive 232 to receive

appnding a file at the end of tohtr

GPRS demo, use ppp to connect internet， use ttyS1 to ctrol GPRS-GPRS demo, use ppp to connect internet, use ttyS1 to ctrol GPRS

SniffUSB是一个可以在Win98, Me, 2K以及XP下监听USB端口数据包的工具, 包含一个 内核模式的数据过滤器和一个抓数据包的用户界面工具-SniffUSB is one in Win98, Me, 2K and XP wiretapping USB data packets tools, contains a kernel mode data filters and a grasp of the data packets the user interface tool

zigbee2007协议规范，第一章，中文-ZigBee2007 Protocol

GPS系统，怎样接收坐标数据，以及对数据的处理-GPS systems, how to receive coordinate data, as well as data processing