ZYCainiao_sch_pcb

自动化生产线的总控程序，基于modbusrtu从站为西门子，s7_200,源代码中涉及大量工业控制技术思路以及原理(I dont know how to write sorry.)

基于RS485的简单现场总线通信系统设计，功能如下：单发单收，在发送状态，能够连续发送从0到99的数字； 单发单收，在接收状态，能够接收数据，并在数码管上正确地显示出来； 单发多收，在AB完成的基础上，接上多个接收设备，能够正确发送和接收； (Based on a simple RS485 field bus communication system design, the following functions: single single collection, sending state, can be continuously transmitted from 0 to 99 single single collection, in the receiving state, capable of receiving data and digital tube correctly displayed single overcharged, on the basis of completion of the AB, connected to multiple receivers, can correctly send and receive )

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

载波模块，现成的PCB板。。。。。。。。。(。。。。。。。。。。。。。。。。。。。。。。)

超声波测距，可以通过串口助手显示，当小于设定值时，显示0，当大于设定值时，显示1(Ultrasonic Ranging, through serial aides showed that when less than the set value, 0, when greater than the set value, indicating a)

DIYMP3，能智能播放，很好的运用了STM32系统相关知识，花费了我将近半年的努力，基本上包含了STM32所有功能的应用。(DIYMP3, play to intelligence, very good use of the STM32 system related knowledge, it took me about half effort, basically contains all STM32 function application.)

51单片机连接射频芯片rc522的单片机程序(51 single connection RF chip microcontroller program rc522)

MCU图片解码，使用STM32对JPEG图片解码，(STM32 JPEG decoder code,)

说明：  Ic卡 cpu 卡 发卡源程序 Ic卡 cpu 卡 发卡源程序(ic card cpucard ic card cpucard)

LED显示屏的设计可以实现动态字体的左移右移上下移动等功能(LED display is designed to realize the right to move to the left and so on down the function of dynamic fonts)