分立元件组成的烙铁电路Wattage of load10W18W25W35W65W80WValue of R5 (in ohms)330180136 (68+68)1005644 (22+22)Wattage of R5 (in watts)01020204056.5 Usually a soldering iron takes a couple of minutes
高低压切断与时间延迟关闭电路,High And Low Voltage Cut Off With Time Delay OverviewThe power line fluctuations and cut-offs cause damages to electrical appliances connected to the line. It is more
灯光控制系统电路,ht Control SystemIt is easy to install a couple of infrared emitter and receiver at the entrance of your room and maybe you connect them to the light, but you cannot control the light
高电流双极步进电机控制器电路,High current bipolar stepper motor controllerSpecifications -------------------------------------------------------------------------------- High Current Bipolar S
直流伺服电动机驱动器电路,DC servo motor driverSpecifications -------------------------------------------------------------------------------- DC Servo Motor Driver kit, designed using MC33030
555步进脉冲发生器电路,555 stepper pulse generatorSpecifications -------------------------------------------------------------------------------- The 555 Stepper Pulse Generator kit will help y
黑暗感应开关电路,Dark Sensitive SwitchSpecifications -------------------------------------------------------------------------------- Dark Sensitive Switch is a simple project which operates a
5个灯的LED闪光灯驱动器电路,5 Lamp/LED Flash DriverGeneral Description of the following circuit. This circuit is based around HT–2050 manufactured by HOLTEK semiconductors. It is a low cost, low-power
低成本自动应急灯电路,Low cost/Automatic Emergency LightDescription -------------------------------------------------------------------------------- Here is a white-LED-based emergency light that o
自动风扇控制器电路,Automatic Fan ControllerDescription -------------------------------------------------------------------------------- Th1, the 50K thermistor, is a standard type. Mine was a bar
2500w激光打印机相位控制,2500W Phase ControlThis circuit controls resistive and inductive loads up to 2,500W. Its main functional device is an integrated phase control circuit - Siemens TLE3103. It con
利用开关模式降压转换驱动器降低功耗并提高照明组件的驱动效率当输入电压远远高于串联HB LED的总压降时,最好使用开关模式降压(buck)转换驱动器(图2),能够使电源功耗降至最低,从而获得较高的驱动器效率。与一般HB
近年来,手机不断更新,其功能越来越多,除了主要的通话功能外,还可发送、接收短信、照相、听音乐,甚至于可上网、看电影,真是神通广大。此外,手机还能用作手电筒,虽然说这功能没有什么新奇,但很实用。能实现此
随着社会经济的飞速发展及计算机控制技术等科技的进步,人们对自身的生活和工作环境有了更高的要求,由此对家居智能化控制系统的要求也越来越紧迫。设计家居智能化控制系统,对促进住宅现代化建设具有重要意义。
前言 汽车防盗、报警功能以及门禁控制将成为汽车安全控制系统必备的功能之一。通过对Maxim公司的发射器MAXl472、接收器MAXl473以及微控制器芯片DS80C323等器件的应用,得出一套较为完整的遥控车门开关系统的原理和