简单、高效USB电源管理IC解决方案
Linear Technology offers a variety of devices that simplifyconverting power from a USB ca...
Linear Technology offers a variety of devices that simplifyconverting power from a USB ca...
Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image ...
ØCPV is the abbreviation of concentration PV. Ø It utilizes optics to concentrate ...
数字控制的交流调速系统所选用的微处理器、功率器件及产生PWM波的方法是影响交流调速系统性能好坏的直接因素。在介绍了正弦脉宽调制(SPWM)技术的基础上,设计了一种以8098单片机作为控制器,以...
为解决电致变色器件的颜色变化受外界环境颜色控制的问题,设计了一种基于单片机的便携式颜色自适应识别电路。与传统颜色识别电路相比较,该电路利用数字式的颜色传感器来获取外界环境颜色,产生的数字颜色信...
介绍了采用ATmega48单片机实现三相无刷直流电机控制器的方法。利用Atmega48获得带死区的脉宽调制(PWM)、霍尔传感器的换相处理、正弦驱动信号的产生和电机转速的控制等功能。采用该方法的优点是...
为解决传统可视倒车雷达视频字符叠加器结构复杂,可靠性差,成本高昂等问题,在可视倒车雷达设计中采用视频字符发生器芯片MAX7456。该芯片集成了所有用于产生用户定义OSD,并将其插入视频信号中所需的全部...
keil c51v805 完全汉化破解版破解方法: 1.运行c51v808a.exe,直到安装完毕. 2.运行Keil_lic-v3.2.exe选择如下图: [ sn.JPG (21...
Internal Interrupts are used to respond to asynchronous requests from a certain part of themicrocont...
Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) receivers use an exte...