parallel_battery_SC_boost_converter

超声波测距，在51单片机内核下的超声波测距程序，比较精简，希望大家受用。(Ultrasonic ranging, in 51 single kernel of ultrasonic distance measurement procedures, more streamlining, I hope everyone is good enough.)

雨水检测本程序以智能家居系统中的水滴检测为课题，以水的导电性为依据，并根据主控器STC89C52 的程序指令处理后，用蜂鸣器和led报警显示。(The rain detection program takes the water drop detection in the intelligent home system as the subject, based on the electrical conductivity of the water, and after the program instruction of the main controller STC89C52, the buzzer and LED are used to alarm.)

GSM Basics : Global System for Mobile Communications s a digital mobile telephony system that is widely used in Europe and other parts of the world.

提出了一种无电流传感器的三相 PWM 整流器控制策略。系统采用双闭环控制，外环 PI 调节器控制直流侧输出电压，内环通过滞环调节器控制有功功率和无功功率，达到单位功率因 数运行的目的。根据整流器的数学模型通过电流重构可获得网侧电流，以实现无电流传感器控制。 仿真实验证明该方案具有良好的控制性能。(In this paper a current sensorless control strategy of three-phase PWM rectifiers is presented. Double close-loop control method is applied in the system. DC voltage is regulated by the external loop PI regulator. The system can operate at unity power factor by controlling the active and reactive power with two inner loop hysteresis controllers. The input AC current can be reconstructed the mathematical model of PWM rectifiers in order to eliminating current sensors . The simulation results prove that the system has good performance.)

128乘64的液晶典型驱动应用程序，程序简单明了，带驱动。(128 x 64 LCD typical drive application, the program is simple, the belt drive.)

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)

智能车竞赛电磁组参考程序，与大家分享，与大家一起学习(Smart car competition electromagnetic group reference program, to share with you)

lpc2000 启动代码 说明，对编写boot代码，或者研究对应的平台很有用哦(Initialization code lpc2000)

这是一个交通管制的系统，基于51单片机而做的多机通讯(This is a traffic control system, based on 51 single and multi-machine communication do)

这是一个51单片机小程序，功能是实现跑马表，只有三位。(This is a small program the microcontroller 51, the table function is to achieve the Happy Valley, only three.)