AM-modulated-learning-ladder

数码管的显示程序，数码管循环显示900-999~(Digital loop display 900-999 ~)

按键的去抖以及按键弹起时读按键 (Reading keys key debounce and key bounce)

STM32的CAN波特率计算工具。。。。。(STM32 CAN baud rate calculation too)

读写器与射频卡通信的设计采用RC522射频读写芯片与射频卡进行通信，符合ISO14443规范协议；硬件系统设计中主要有AVR单片机主控模块、电源模块、存储模块、外部时钟模块、LCD模块；软件系统设计采用C语言，遵循模块化和结构化编程模式，设计了射频卡操作程序、软关机与自动关机程序、LCD显示、串行Flash存储器、外部时钟等外部设备驱动程序。所设计的手持式读写器具备对MF1 S50、S70射频卡的读写、实时状态显示、系统在线升级以及关机等功能。(This handset can process the data offline or online, reading and writing from 10 cm far. This handset is low-power, miniature, modular design and so on. This article includes: the communication design between RF card and Reader, hardware system design and software systems design. The communication design between RF card and Reader used to RC522 RF chip control RF cards, in line with ISO14443 standard protocol Hardware system design mainly include AVR microcontroller control modules, power modules, memory modules, external clock modules, LCD modules Software system designed with C programming language, and follow the modular structure of the programming model, and has the RF card operation procedures, soft shutdown and automatic shutdown procedures, LCD display, serial Flash memory, an external clock, and other external device driver Procedures. The handset readers has the MF1 S50, S70 RF card reader function, real-time status display function, the system online update function and so)

用C8051F020实现的串口通信程序，含汇编和C，已调试通过(Using C8051F020 realize the serial communication program, including the compilation and C, have been debugging through)

电力载波 具备显示 控制 采集 用于毕业设计 工厂测试(Power carrier with display control acquisition for graduation design factory test)

利用STC系列的单片机, 通过gps模块获取定位信息, 分离数据, 显示经纬度等信息到LCD1602液晶屏上.(Using the STC series of single-chip microcomputer, obtain the positioning information through the GPS module, separate the data, display latitude and longitude and other information to the LCD1602 LCD screen.)

开关电源仿真软件saber 入门级教程，适合初次接触这个软件的人使用。(Switching power supply simulation software saber entry-level tutorial for the initial contact with the software people use.)

说明：  步进电机的电子详细资料、对于了解步进电机3(For more information on the electronic stepper motor, stepper motor for about 3)

说明：  STM32单片机的库函数STM32F10x_StdPeriph_Lib_V3.5.0(STM32f103 lib STM32F10x_StdPeriph_Lib_V3.5.0)