51SendSMS

PID参数整定助手 可以用来确定PID参数的模拟软件(PID parameter tuning assistant simulation software can be used to determine the PID parameters)

高速公路电缆防盗技术的研究与发展方向，详细介绍目前的电缆防盗技术的研究现状，值得研究的技术(Research and development direction of the highway cable anti-theft technology, detailing the current status of research of cable theft technology, technology worthy of study)

SIM900A的EAT开发，文档中的源码实现功能比较多。Adc，audio play,csd,customerATCommand,DTMF,fcm,flash,gpio,gpio interrupt,http,i2c,keypad,pwm,serialPortStatus,SIM_MUX,sms,socket,spi,spienhance,system,TCP,timer,update,urc(SIM900A EAT development, in the document source more functionality.Adc, audio play, CSD, customerATCommand, DTMF, FCM, flash, gpio, gpio interrupt, HTTP, i2c, keypad, PWM, serialPortStatus, SIM_MUX, SMS, socket, spi, spienhance, system, TCP, timer, update, the urc)

利用51单片机开发一个超声波测距仪，精确度0.5mm，测量距离5—7米。(The use of an ultrasonic range finder 51 MCU development, the accuracy of 0.5mm, measure the distance 5-7 meters.)

STM32示波器c语言程序，欢迎下载，谢谢(STM32 viewer C language)

这是我做的一款3路LED的RGB控制器，输出接光耦控制可控硅，被控灯具为AC220V的，外接315M接受模块，用市场上一般的PT2262型遥控器无线调节输出的模式和变化速度(This is the RGB controller I do a 3 channel LED, output optocoupler control thyristor controlled lamp, AC220V, external 315M receiving module, general use on the market PT2262 remote wireless control output pattern and speed of change)

本文档总结了CPM调制解调方法，涵盖GMSK，MSK，CPFSK等调制技术的总结，以及各种相干，非相干解调的matlab仿真结果，仅供参考。(This document summarizes the CPM modulation and demodulation methods, covering GMSK, MSK, CPFSK and other modulation techniques, as well as a variety of coherent, non coherent demodulation of the MATLAB simulation results, for reference only.)

AVR单片机ATmega16L基于状态机的独立按键Proteus仿真( )

说明：  带接收和发送协议处理的串口调试工具，可只接收并显示自定义关键字的串口数据，非常好用，带这种功能的可用的此类软件不多，值得收藏。(ComFilter,can receive and display your expired information from COM.)

说明：  ADC0809的接口测试程序。写得很好，大家学习一下。(ADC0809 interface test procedure. Was very well written, we learn about.)