Duplex serial communication, single

STC单片机大量电路实例，有电源电路，通信电路，含原理图-STC Singlechip a large number of circuit examples, have the power circuits, communication circuits, including schematic diagram

DDS芯片ad9854的单片机（C8051F020)控制及其外围原理图和PCB图-DDS chip AD9854 microcontroller (C8051F020) and its peripheral control schematic and PCB diagram

用VC++实现与上位机通信的几种方法，主要有Windows API通信函数方法-comunication

keil c51平台,此代码可用于学习TFT LCD 之TCON,SCALER,OSD,(本人自己修改) -keil c51 platform, this code can be used to learn TFT LCD of TCON, SCALER, OSD, (my own modifications)

基于DS12887的多功能电子智能时钟，51控制 LCM-12864-ST7920显示，应用类型齐全。-DS12887-based multi-functional electronic smart clock, 51 control LCM-12864-ST7920 showed complete application types.

modbus RTU 的AVR单片机C语言程序。 单片机mega16,编译器ICCAVR。-modbus RTU source code with atmel avr mcu,c styel,mcu is mega16,compliter use ICCAVR

AVR中断函数,很好用的，真的！ -interrupt function of AVR

利用５１单片机做的一个电子时钟，用１６０２显示，已经实现．-51 Singlechip done using an electronic clock, with 1602 show that has been achieved.

MD51-86实现的四人抢答器 -MD51-86 to achieve the four Responder

介绍zlg7290的，很详细，并且附带了实例程序。很好用-Zlg7290 introduction and very detailed, and comes with sample programs. Good use