EL817

实现光伏逆变器的最大功率的跟踪，里面包含光伏太阳能电池的模型和boost 升压电路(PV inverters to achieve maximum power tracking, which contains a model of photovoltaic solar cells and Boost boost circuit)

51单片机的pid程序，设定上下限，控制pwm的输出。(51 MCU pid procedures set upper and lower limits, control pwm output.)

温度传感器,我也不知道说什么好，我觉得你应该能看懂的(hey,gay.i love u so much)

说明：  stm32f103vet6实现printf重载(printf function about stm32f103vet6)

STC15W408AS_BLDC无刷电机驱动程序(STC15W408AS_BLDC DRIVER)

AVR例程，主要涉及液晶屏幕以及通讯，触摸等等。(AVR Sample program。)

用数码管显示电压，发送到串口，然后有高低电压报警，只有部分代码(Display voltage with digital tube, send it to serial port, then alarm with high and low voltage, only part of the code)

通过51单片机串行转并行，扩展IO口，实现四个步进电动机的控制。(By 51 microcontroller serial to parallel IO expansion port, to achieve four stepper motor control.)

the computer comunication with FX3u plc,no need setting the D8120

说明：  利用容栅技术实现液位精密测控。精度高达0.001mm，方案有读创新性思想。(The use of capacitive precision liquid level measurement and control technology. Accuracy up to 0.001mm, the program innovative thinking time.)