in-vehicle-GPS-navigation-system

PCB设计工具，PROTEL 转 POWERPCB工具，方便的PCB转换工具，很实用！(PCB design tools, PROTEL to POWERPCB tools, PCB convenient conversion tool, very useful!)

利用单片机作为芯片，利用点阵按钮通过继电器控制LED灯(Using single chip microcomputer as a chip, using bitmap button by relay control LED lights)

MQ-7烟雾模块 DHT11模块 430单片机驱动 数字量 非模拟量 1602显示(MQ-7 DHT11 430F149 1602)

两路电压表，0809可以实现两路的模数转换(Two way voltmeter )

1000以内所有的完数，比较简单，用于学习和交流(1000 all finished within few, relatively simple, for learning and communication)

fluent物性随温度变化的udf（包括导热和比热）；边界条件温度随时间变化的udf。(fluent physical properties with temperature changes udf (including thermal conductivity and specific heat) temperature boundary conditions change over time udf.)

开关记忆和18B20在12864显视和读写24C20(Switch Memory and 18B20 were in the TV and read 24C20 12864)

单片机程序，关于串口通信方面的。计算机通过串口和单片机通信。单片机数码管显示数据。(SCM procedures, on aspects of serial communication. Computer and the microcontroller through the serial port communication. Single-chip digital display data.)

感应电动机的启动小程序，可以模拟启动过程，自动计算启动的参数，帮助初学者理解感应电动机的结构(Induction motor start-up small program that can simulate the boot process, automatically calculates the start parameters and Help beginners understand the structure of induction motor.)

智能小车使用遥控控制的源代码，本代码可以作为进一步研究的参考(Smart car using the remote control of the source code, the code can be used as reference for further research)