PADS9.5实战攻略与高速PCB设计

说明：  UPS的电路和制作教程 全部调试通过 包括sch和pcb(UPS circuit and produce all debug through the tutorial)

基于stm32的定时器中断应用，可产生相位差为90度的两路周期性脉冲，可用于模拟正交编码器脉冲(Stm32 timer interrupt based applications can generate a phase difference of 90 degrees two periodic pulse, can be used for analog quadrature encoder pulse)

使用8051通过双积分电路检测电压的程序(8051 by a double integral circuit detection voltage of procedures)

此为AD转换器ADC0809的资料(this AD converter for the ADC0809)

说明：  智能台灯系统，实现了语音播报，自动调光，远程控制，灯光切换等智能系统功能。克服了传统台灯供电方式单一等多种特点。本系统主要由单片机控制系统和硬件系统组成，主要由STM32F407微处理器、触控液晶彩屏、ADC电压监控、超声波测距监测、音乐播放系统、灯光控制组件和多路系统电源构成。智能学习台灯采用PWM数字调光和超声波测距技术以及人体红外感应技术，实现灯光亮度和模式调节。(Intelligent desk lamp system realizes the functions of voice broadcasting, automatic dimming, remote control, light switching and other intelligent systems. It overcomes many characteristics such as single power supply mode of traditional lamp. This system is mainly composed of single chip computer control system and hardware system. It is mainly composed of STM32F407 microprocessor, touch LCD color screen, ADC voltage monitoring, ultrasonic ranging monitoring, music playing system, light control module and power supply of multi-channel system. Intelligent learning desk lamp uses PWM digital dimming and ultrasonic ranging technology as well as human infrared sensing technology to achieve light brightness and mode adjustment.)

AD1674与AT89C51进行数模转换，实现数字电压表功能(AD1674 and AT89C51 digital to analog conversion, digital voltmeter function)

说明：  MPU6050是我们常用的六轴空间位置处理芯片，次文档使用卡尔曼滤波的方式使数据更加的准确(MPU6050 is our commonly used six-axis spatial position processing chip. Kalman filter is used in sub-documents to make the data more accurate.)

开发平台为Keil Cx51,能实现多级菜单，相信会对大家的C51编程又一定的应用价值.(development platform for Keil inverter can achieve multi-level menu, We believe that the C51 will be in a certain programming the application.)

一个用于永磁同步电机矢量控制的矢量分析图(an FOC vector map ,which is used for PMSM motor)

在STM32上实现片内DAC模块的模数转换功能(Realization of analog-to-digital conversion)