14-RTC

F5 refresh programing tool

基于51单片机的 红外+LCD+继电器C程序显示 实现的功能较多，比较适合初学的人。(Based on 51 single-chip infrared+LCD+ relay C program display of more functions, more suitable for beginners person.)

C++程序设计10852C++案例教程源代码完成统计功能的函数(C++ Programming 10852C++ Case tutorial source code to complete a function of statistical functions)

该工具可以根据输入的UNICODE十六进制字符串计算出相应的汉字或ASCII码。比如：输入4F60便可以得到"你"。(The tool can be based on the input UNICODE calculate the corresponding hexadecimal string guy or ASCII.)

tms320F28335是一款新的dsp芯片，svpwm算法的实现和以前的2812等有点不同，现在将我写的分享给大家，已经调试过了，晶振是20MHz。28335的svpwm的实现。(tms320F28335 is a new dsp chip, svpwm algorithm implementation and the previous 2812 and so a little bit different, now I write for everyone to share, debugging, and the crystal is 20MHz. 28335 svpwm implementation.)

max7219，利用51单片机控制，点阵显示(max7219, 51 single-chip control, dot matrix display)

能从SD卡读取MP3文件，并且识别后通过LD3320播放MP3，具体使用只需新建一个.ini系统文件存在sd卡，在里面设置好关键词并且所需播放的MP3文件即可(Read MP3 files from the SD card through the LD3320 play MP3 and identify specific use simply create a new the ini system files sd card exists inside set keywords and required to play MP3 files can)

说明：  zigbee document upload 23/7/2019

电力仪表测量电压，电流，有功，无功，等电力参数，用PIC和ATT7026 数码显示(Electricity meters measure voltage, current, active power, reactive power, and other electrical parameters, with the PIC and ATT7026 digital display)

cc2430无线射频模块（基于ZigBee2006）的2004协议栈的演示程序和使用说明，刚开始学习或接触ZigBee的朋友可以借此来学习。(cc2430 RF module (based on ZigBee2006) of the 2004 protocol stack demo program and instructions for use, just learning or exposure to ZigBee' s friends can learn.)