Queue for a beeper, the main function is : keyboard control LCD achieve 485 news...

89C52单片机12M晶振下DS18B20温度传感器测量温度应用子程序源码-89C52 microcontroller 12M under DS18B20 crystal temperature sensor temperature measurement applications subroutine FOSS

avr单片机用的，有源代码，原理图（包括JTAG和STK500）-avr Singlechip used, active code, schematics (including JTAG and STK500)

走马灯程序 一组IO口8个灯 另外带加速减速功能 初学单片机编写的 硬件测试通过 -Procedures for a group of IO lantern mouth with the other eight lights accelerate the slowdown in the preparation of functional single-chip hardware novice test

工 程 名:DG128串行查询(SCIpooling) 硬件连接:MCU的串行口与PC机的串行口相连 。 程序描述:利用查询方式把收到的数据发送回去。波特率为9600,使用SCI0口-Project name: DG128 serial query (SCIpooling) hardware connection: MCU

44键盘多模块演示程序，使用双向双次键扫描技术LCALL INKEY 双向双次键扫描-keyboard module demonstration, the use of the bi-directional bonding time scanning technology LCALL INKEY meeting of the bi-directional scanning Bond

多功能广告牌，12864液晶显示，首行滚动显示广告语，按键选择广告，预存5条广告，18B20检测温度显示，DS1302万年历显示，可调时间，具有掉电保护，串口向PC机实时传送温度、时间信息-Multi billboards, 12864 liquid crystal display, the first-line scrolling display advertising language, button select advertising, stored five advertisement, 18B20 test temperature display, DS1302 calendar display, adjustable time, with a brown-out protection, serial port to the PC, real-time delivery temperature, time information

自己现在用的51系列单片机下载线，用74HC373芯片-himself with the 51 series microcontroller downloaded line with 74HC373 chips

利用多模式调制解调器芯片CMX868能直接通过高速串行总线与单片机串行接口进行通信这一特点设计的一套采用单片机来控制CMX868芯片的数据传输系统，握手协议部分-The use of multi-mode modem chip CMX868 directly by high-speed serial bus and the microcontroller serial interface to communicate with this feature set designed to use microcontroller to control the CMX868 chip data transmission system, part of the handshake protocol

51+PDIUSBD12源代码-51 PDIUSBD12 source code

440BXARM开发板 试验程序和源代码-440BXARM development board testing procedures and source code