89C51-master

仿真电话键盘拨号的电路图 C 以及HEX文件 是我的单片机考试作业(this is my master piece)

说明：  四方的通信管理机程序，绝对的超值，很多规约的处理，101 103 103 104 CDT DNP SC1801 CSC2000等，千万别走漏风声啊，(sifang processs protel control center )

cd4052用stm32来写的程序，，实现电子开关电路 (CD4052 uses STM32 to write the program, the electronic switch circuit)

Pocket 2003 Imager_SDK_14.12.20086 for software engineereing.

双两程电压表，用TLC1543做的，精准测电压(Double two-way voltmeter)

PCB设计接地指导书,指导pcb设计及人员更好的设计PC版(PCB design ground, guide the pcb design and make better PC version of the design)

电机控制的第一手资料，非常全面仔细，可以对伺服控制系统的编码器有很深的了解。(Firsthand motor control, very comprehensive carefully servo control system can have a deep understanding of the encoder.)

1.44寸显示屏显示资料，可显示汉字，图片，彩色图片，带取模软件(1.44-inch display screen display data, can display Chinese characters, pictures, color pictures, with the module software)

对RC500卡的读和写，假如刷卡正确的话模块上的LED灯就会亮，没有卡、卡不对、或是其他的不能识别的都不能通过(RC500 card to read and write, if correct module on the card will be light, LED lamp without card and card wrong, or other cannot identify cannot pass)

模拟电梯控制系统程序设计代码，用户可输入任意楼层，程序有先来先服务策略和顺便服务策略。(Elevator control system design simulation program code, the user can enter any floor, the program has first come first serve policy and the way services strategy.)