一些关于数据转换与计算的子程序，采用汇编语言编写。

c51的一个字节颠倒程序-byte of a reversal procedure

射频卡资料，对射频卡分类、应用、开发工具等都有较为详细的介绍。-RF card, RF card classification, applications, development tools, and others have a more detailed introduction.

基于PIC单片机的DS18B20读写源程序，包括读18B20ROM和在单总线上挂多个18B20的读写和串口通讯程序-DS18B20 based on PIC microcontroller to read and write source code, including reading 18B20ROM and hung in a single bus, multiple 18B20 and serial communication program to read and write

义隆单片机读写24C** ** 24CXX 接口I2C总线读/写的程序 ** （所有时序均基于4MHZ晶体震荡器频率）-Elan Single-chip 24C**** 24CXX read and write I2C bus interface read/write procedures** (All timing are based on the frequency of 4MHz crystal oscillator)

51单片机汇编指令工具包-51 SCM compilation instructions Kit

功能：arm7平台的I2c驱动程序，硬件I2C软件包，利用中断方式操作。 * 说明：主程序要配置好I2C总线接口(GPIO、总线时钟)

单片机外围电路，扩展的4×4键盘液晶显示程序-Single-chip peripheral circuits, expansion of the 4 × 4 keyboard LCD process

C51的tcpip源程序 包含了TCP,IP,ARP,ICMP等协议的接口，可以方便的实现移植。开发环境为Keil C51。-tcpip programme for C51

通过编程实现对LCD的驱动，实现能在LCD显示器上显示字符和数字。-Through the programming of the LCD driver, able to realize in the LCD display to show characters and numbers.

c51串口发送以及接收数据程序,有利协议实现-C51 serial port to send and receive data procedures, realize favorable agreement