AN4258SW

求解二维声子晶体能带结构XY模式，内附注释，希望能帮到你(Solving the two-dimensional phononic crystal band structure XY mode, included comments, I hope it may give some help )

This is LM3S9B92 Sample Code data

说明：  sketch_dec12a是arduino文件 读到上位机输出的字符串输出SD卡里面的语音信息。 sketch_dec12a是arduino文件 读到上位机输出的字符串输出SD卡里面的语音信息。(Sketch_dec12a is a string read from Arduino file to output from PC and output voice information in SD card.)

说明：  零死角玩转STM32 初级篇 中级篇 系统篇.zip(Zero Dead Corner Play STM32 Junior Intermediate Systematic Paper.zip)

完整电能表程序，规约为电力行业标准《DL/T　645-1997　多功能电表通讯规约》，具有红外38K（1200bps），RS485通信（2400bps），具有事件记录，电量计量，密码管理等。(Complete energy meter program, the Statute of the power industry standard " DL/T 645-1997 Multimeters communications Statute infrared 38K (1200bps) RS485 communication (2400bps), event logging, power measurement, password management.)

使用卡尔曼滤波算法，实现基本的MPU6050倾角计算(The basic MPU6050 angle calculation is realized by using the Calman filter algorithm)

单片机ad转换 实时显示在1602上 并通过串口实时发送(Single chip microcomputer for AD conversion, and AD conversion data real-time display on 1602, and through wireless E31TTl50 serial port real-time send to other terminals)

关于SHT11与单片机的一些源代码,经验证过,没有错误(SHT11 and SCM on some source code, proven before, no errors)

基于C51单片机的波形信号发生器：矩形波，方波，三角波。包含单片机仿真。(Based on the C51 single-chip waveform signal generator: square wave, square wave, triangle wave. Contains simulation microcontroller.)

这是一个关于单片机开发的实例，讲述的是单片机上18B20的使用，通过用C语言进行一定的编程，以实现温度传感器的应用。(This is a single chip microcomputer development as an example, tells the microcontroller on the use of 18 b20, through certain programming in C language, in order to realize the application of temperature sensor. )