C51

STM32 外部中断程序，用于学习用中断来控制按键(STM32 External Interrupt program)

AVR128显示部分，用12864作为显示的程序代码，已经调试通过(AVR128 display section, with 12864 as display the program code, have debugging through)

单片机内刻录程序，包含C语言和汇编语言两个版本。实现7455C5与单片机的串口通信，信息传输。(Microcontroller burning program, contains two versions of the C and assembly language. 7455C5 microcontroller serial communication, information transfer.)

国外PLC设计的原理图和PCB(Principle foreign PLC design and PCB)

说明：  复制其中的“UV4.CDB”文件，复制到KEIL4的“UV4”文件夹中；(Copy the "uv4. CDB" file to the "uv4" folder of keil4;)

一个以太网帧解析程序，实现以下功能：解析已封装好的Ethernet V2.0帧封装文件（见附件），判断有多少个帧，每个帧的所有字段内容，检测CRC校验是否正确(An Ethernet frame analysis program, the following functions: parsing the encapsulated Ethernet V2.0 frame encapsulation (see annex), to determine the number of frames, each frame contents all fields to detect CRC checksum is correct)

STM32L151控制SYN6288语音合成，包含原理图，能成功合成语音(STM32L151 controls SYN6288 speech synthesis, including schematic diagram, which can successfully synthesize speech.)

程序主要为三相计量芯片RN8302B驱动校正程序。其中涉及到液晶驱动芯片bu9792的使用，i2c,spi协议芯片的运用。并且包含RN8302B官方程序及原理图，芯片手册，芯片应用笔记。(Which involves the use of LCD driver chips bu9792, i2c, spi protocol chip use. And contains RN8302B official program and schematic, chip manuals, application notes chip.)

说明：  超声波传感器数据采集，arduino实现。并在道路检测中使用(The data acquisition of ultrasonic sensor is realized by Arduino. And it is used in road detection)

ESP8266 官方无OS 版本 SDK(ESP8266 guangfang SDK)