inverter_4Quadrant

一个比较典型的PID处理程序，在使用单片机作为控制cpu时，请稍作简化，具体的PID 参数必须由具体对象通过实验确定(A more typical PID treatment procedures, the use of single-chip microcomputer as the control cpu, please make some simplification, the specific PID parameters must be determined through experiments at specific audiences)

野火STM32的使用手册 开发文档 初学者专用(Wildfire STM32 manual development documentation)

基于STM32F103的RC522 RFID 驱动程序，可正常读写卡(Based on STM32F103, the RC522 RFID driver can read and write cards normally.)

这里是 利用PROTEUS绘制的 智能小车电路图，修改后可以进行 动态仿真分析，如电机的旋转等(Here is the use of the Smart car circuit diagram drawn by PROTEUS, dynamic simulation analysis can be modified, such as the motor rotation)

pic18f452 TMR1的RTC功能——秒信号发生器(pic18f452 TMR1 the RTC function- second signal generator)

说明：  使用超声波模块测距，测距范围 10cm--1..2m(Using ultrasonic module to measure distance, ranging range is 10cm-1.2m.)

说明：  linux sd2.0协议标准文档中文翻译*（1-6章节）(Sd2.0 protocol Chinese version)

10M网线与100M网线和1000M(千兆)网线做法! (10M of cable and the 100M network cable and 1000M (gigabit) cable practice!)

这是一个基于单片机的LCD显示程序，驱动LCD1602,并显示两条字符。(This is a microcontroller-based LCD display, driver LCD1602, and displays the two characters.)

c51源代码，IIC总线驱动程序，适用24C32、64！(decoder source code, IIC bus drivers, application 24C32, 64!)