51单片机写得MODBUS协议程序，可以实现寄存器得读写等操作

nokia5110 lcd 的 keil C51 驱动程序，支持英文和汉字的显示-nokia5110 lcd the keil C51 driver, in English and Chinese support for the show

本程序已经调试通过，使用I2C来从外部时钟芯片中读取并写入时间。文档包含i2c的驱动程序、时钟芯片的读与写、以及使用定时器中断产生脉冲来模拟gps对时。-This procedure has been debugging through the use of I2C chip from the external clock time to read and write. Document contains the i2c driver, the clock read and write chip, and the use of the timer interrupt to simulate the pulse generated when the gps on.

用于网络馈电的c51程序-network feed for the decoder procedures

DDS数字信号发生器,采用AD9835DDS 专用芯片 输出范围1K--10MHZ 采用X25045作看门狗及数据存储器，用于设置各项参数的存储 内含电路图， 源程序 及一些相关资料-DDS digital signal generator, using AD9835DDS ASIC output range 1K-- Knoxville watchdog for the use of X25045 and data memory, used to set various parameters of storage containing circuit, the source and related information

该程序支持凌阳单片机的编译环境,主要实现对单片的某个端口进行置位-supported Sunplus the MCU compiler environment, the main achievement of a single portal in the home-

CAN implementation on PIC18F458

51单片机控制的电动自行车驱动系统源程序(CHUNTIAN) -51 microcomputer control drive system for electric bicycle source (CHUNTIAN)

C51单片机控制LED灯闪烁（用于汽车警示作用）。-C51 SCM control LED lights flashing (for automotive warning).

智能电加热定时控制电路原程序,智能电加热定时控制电路原程序-smart electric heating timing control circuit original, a smart electric heating timing control circuit original program

基于sl1811芯片的功能，完成usb host 的功能-usb host