G2553PWM

说明：  采用stm32f4核心板，实现AD采集，效果很理想，可测量流量，液位(Achieving Flow Acquisition)

modem SIM5218 mobile network communication

ESP8266硬件参考设计文件，有硬件PCB原理图，三个文件。。。(ESP8266 file,PCBSCHPDF,for learning)

this is a digital Oscilloscope that build by me

PID CONTROLLER HELPING BOOK

Transporting Voice by Using IP

用89S52作的远程序电话拨号系统，能完成收发功能，利用的芯片是MT8880，里面有源程序以及生成的hex文件，开发环境是keil(89S52 far with the procedures for telephone dial-up systems, to complete the send and receive functions, the use of the chip is MT8880, which has source code and hex file generated by the development environment is keil)

基于覃志豪的单窗算法的地表温度反演IDL程序，只需修改文件路径和输出格式即可。(LST inversion)

有限自动机的弱可逆的探讨 有限自动机的弱可逆的探讨(The finite automata weak reversible explore of finite automata weak reversible explore)

51单片机编程器制作资料。内有pcb，原理图，物料清单，hex文件。自制成功(51 Microcontroller Programmer production of information. There pcb, schematics, BOM, hex file. Self-made success)