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AVR单片机利用定时器普通IO口实现一线通信(AVR microcontroller IO ports using timers to achieve common communications line)

SIM800C 原理图,带电源处理和SIM卡槽，兼容两种天线座子(SIM800C schematic with power handling and SIM card slot, compatible with two antenna holders)

基于PSIM仿真软件搭建三相整流仿真平台，利用硬件设计控制器，根据PFC的工作原理，构建三相PFC。(Based on PSIM simulation software to build a three-phase rectifier simulation platform, the use of hardware design controller, according to the working principle of the PFC, the construction of three-phase PFC.)

设计一个矩阵相乘的程序，首先从键盘输入两个矩阵a，b的内容，并输出两个矩阵，-use for qiu niu

一个学校内部小组做的51与mage8开发入门电路板，有许多独到的设计。-A school-house team to do 51 and mage8 starter circuit boards, there are many unique designs.

是一个小小的吹泡泡程序。不过吹出来的泡泡可以根据自己喜欢的颜色进行改变一下代码-it is a small bubble blowing procedures. But blowing the bubble can be their favorite color code change

将天工无人机加密的数据格式转换为patb格式(Converting Encrypted Data Format of UAV into Patb Format)

基于逆波兰法的计算器程序，该计算器支持小数输入和正负数输入，支持四则运算以及指数运算，也支持括号的使用。(Reverse Polish law based calculator program, the calculator supports input and negative decimal number input, support four operations and index calculation, and also supports the use of parentheses.)

说明：  VPI光学仿真器件的手册指导，详细说明VPI使用方法(Manual guide of VPI optical simulation device)

基于图像处理的计算机集成数控技术程序，具有一定的借鉴意义，值得相关人员学习-based on image processing computer integrated NC technical procedures, with some reference, it is worth studying the relevant staff