lcd

利用PID算法控制PWM输出电压，实现串联型数控电源，通过键盘输入控制期望电压(PID algorithm to control the use of PWM output voltage to achieve tandem CNC power, through the keyboard input control voltage expectations)

ST7565是一款点阵液晶驱动芯片，它具有并行与串行（SPI）两种接口.(ST7565 is a dot matrix LCD driver chip, it has the parallel and serial interface (SPI) two.)

单片机AD功能实例，使用1602显示电压(SCM AD function example, the use of 1602 shows the voltage)

基于单片机实现定时器的应用,用c语言编写的.(Based on the single chip microcomputer application of the timer, written in c.)

stepper motor example with proteus

LCD液晶显示程序，在AT89S52上运行成功，其也可以用于其 他的处理器(LCD liquid crystal display program, run on AT89S52 is successful, it can also be used for the processor)

51单片机动态数码管显示开发程序，对单片机初学者有一定的参考指导作用，欢迎下载参考研究，谢谢！(51 single-chip dynamic digital display development program, microcontroller beginners have a certain role in guiding, are welcome to download the reference study, thank you!)

125k t5557卡 读写(keil C51 T5557 READER)

1820显示温度（LED(595)）C语言版 通过串口设定温度和读取当前温度(1820 shows that the temperature (LED (595)) C language version through the serial port settings to read the current temperature and temperature)

STC51的串口程序，通过STC51工具连接电脑可以用串口助手模拟(STC51 UART)