Elevator_controller_based_on_74

说明：  wireless charging source code.

串行加法器的vhdl描述，用两个移位寄存器和一个全加器，一个d触发器实现(The VHDL description of the serial adder, with two shift registers and a full adder, a D trigger)

A4988步进电机的驱动程序，使用STM32F407单片机驱动(A4988 stepper motor driver)

说明：  基于SIMULINK的dcdc开关电源仿真模型(dcdc converter simulation based on simulink)

用于驱动2.13英寸的墨水屏，电纸屏。包含arduino、STM32平台的源码。(Used to drive an ink screen of 2.13 inches, an electric paper screen. Contains Arduino, STM32 platform source code.)

说明：  基于51/52单片机 1，探测环境温度，以LCD1602 做显示单元 2，可设置上限/下限数值，从而做到警报的提醒及应急设施的启动 3，超过设置限值时，会启动 LED 、蜂鸣器以及电机（仿真时使用）应用可使用其他代替(Based on 51 / 52 single chip microcomputer 1. Detect the ambient temperature with LCD1602 as the display unit 2. The upper / lower limit value can be set to remind the alarm and start the emergency facilities 3. When the setting limit is exceeded, the LED, buzzer and motor (used in simulation) application will be started, and other alternatives can be used)

实现PI+重复控制的有源电力滤波器（APF）(An active power filter (APF) that using PI+ repetitive control)

说明：  通过arduino mega2560驱动2步进电机 以及附加配件如显示器蓝牙等(Drive 2-step motor and additional accessories such as display Bluetooth through Arduino mega2560)

说明：  使用multisim软件设计的直流稳压保护电路，具有交流信号转直流信号，还进行了限压保护，最后通过光耦隔离器件作为开关，进行后续器件的驱动(The DC voltage stabilizing protection circuit designed by Multisim software has AC signal to DC signal and voltage limiting protection. Finally, the optical coupling isolation device is used as the switch to drive the follow-up device)

说明：  设计并完成了汽车信号灯的控制系统。。。。。(The control system of automobile signal lamp is designed and completed)