在微机上模拟I2C总线的设计中，用并行口的D0（PIN2）模拟SCL信号，用D1（PIN3）模拟SDA信号。根据IIC总线的电平规范...

W3100是WIZnet公司专门为以太网互联和嵌入式设备推出的硬件TCP／IP协议栈芯片，其硬件TCP／IP协议栈包含了TCP、UDP、IP、ARP和ICMP协议，这是-WIZnet W3100 is designed for the Internet and Embedded Ethernet equipment introduced hardware TCP/IP protocol stack chips, and hardware TCP/IP protocol stack includes TCP, UDP, IP, ICMP and ARP agreement, which is

51系列单片机的温度传感器项目代码，经过项目验证可以直接放心使用，用c写成-51 microcontroller series of temperature sensors item code can be verified through direct projects to worry about, written with c

用C语言编写的对51单片机的非常准确的时钟程序可以显示年月日小时分钟秒-C language for 51 MCU very accurate clock procedures to date show hours minutes seconds

仪表运行，带有lcd显示和按键控制，希望能给大家学习参考-Meter run with a lcd display and button control, I hope everyone can learn from the reference

通过单片机对HT9200进行控制访问，实现电话的DTMF拨号功能-Through the single-chip microcomputer to control HT9200 visit realize phone DTMF dialing

实现51单片机的日历功能 用T2定时器作为基本时钟中断-The realization of the calendar features 51 single-chip using T2 as the basic clock timer interrupt

KEIL软件是目前最流行开发MCS-51系列单片机的软件，它提供了包括C编译、宏汇编、连接器、库管理和一个功能强大的仿真调试器。-KEIL software development is the most popular MCS-51 series single-chip software, which provides, including C compiler, macro assembler, connectors, database management and a powerful simulation debugger.

HID sample code for HOLTEK

多功能按键电子时钟，由两个独立按键分别以单击，双击，长击，联击等功能控制，创意新颖。-Multi-function button electronic clock, respectively, by two separate buttons to click, double, long strike, strike and other functions associated control, creative novelty.

空调控制器，主要根据采集信号控制空调的主机及辅助设备开关-air conditioning controllers, mainly based air conditioning control signal acquisition of mainframe and auxiliary equipment Switches