STC89C52PAT24C02

创建复杂焊盘,解密后的程序 不再输入序列号(Create complex pad, after the decryption process will no longer enter the serial number)

EM78P259N的R功能,实现IR功能可能用到的CONTROL REGISTER(EM78P259N R-function IR feature may be used to achieve the CONTROL REGISTER)

74hc595芯片的使用 51控制595芯片的io拉高(74hc595 chips 595 chips using 51 control pulled io)

stm32 串口发送AT指令 或者字符信息(stm32 send AT commands serial port or character information)

ucos与串口通讯相关的源代码，对学习在51单片机上进行高速串口通讯非常有用(uCOS and serial communications-related source code, on learning of the 51 single-chip high-speed serial communication is very useful)

The maximum number of bytes that can be read from the stream.

设计一个十字路口的交通灯控制电路，要求东西方向车道和南北方向车道两条交叉道路上的车辆交替运行，每次通行时间都设为45秒。时间可设置修改。(Design a crossroads of traffic lights control circuit requires lane east-west direction and north-south direction of the two-lane cross-road vehicles to run alternately, each opening hours are set to 45 seconds. Time can be set to amend.)

说明：  it`s a examples about Keil

基恩士LJG-5000系列二维激光轮廓传感器LabView二次开发程序，提供了数据采集和参数设置等函数接口，样例程序可以实现常用的参数设置和轮廓数据接收功能！( Keyence LJG-5000 series of two-dimensional laser profile sensor LabView secondary development program provides data acquisition and parameter setting functions such as interface, the sample program can achieve commonly used parameter settings and contour data receiving function!)

说明：  FX2N -32MT schematic