負(fù)載控制模塊(LOAD CONTROL ELEMENT)簡稱LCE是一種能夠判別電路中是否接有負(fù)載,并利用有無負(fù)載的信息來控制其它負(fù)載工作的電路。它具有聯(lián)運效應(yīng),其用途甚廣。本文介紹一種利用兩只雙向可控硅元件自由市場制作的L
汽車診斷技術(shù)是汽車安全技術(shù)中不可缺少的一部分,它能在汽車發(fā)生故障時及時地進行語音報警,避免事故的發(fā)生。CAN即控制器局域網(wǎng),是國際上應(yīng)用最廣泛的現(xiàn)場總線之一。由于CAN總線技術(shù)的優(yōu)良特性,在汽車電氣系統(tǒng)以
汽車12V至正負(fù)20V的轉(zhuǎn)換器電路 (音頻放大器電源電路) Bill Of Materials ================= Design: 12V to 20V 100W DC-DC conv Doc. no.: 1 Revision: 3 Author: Jonathan Filippi Created: 29/04/05 Modi
Buying a gift for someone special or a loved one can sometimes be difficult or expensive. The flashing heart is the answer. It is easy to build and even the inexperienced hobbyist should be able to bu
用“復(fù)雜”來形容當(dāng)今的汽車是再恰當(dāng)不過的一個詞。安全、操控、驅(qū)動和娛樂僅僅是依賴電子/電氣架構(gòu)的部分子系統(tǒng)。如今的駕駛者都希望他們的座駕能夠無限精準(zhǔn)且不間歇地運轉(zhuǎn)。但是控制整個汽車的電子神經(jīng)系統(tǒng)的
Me and a friend are both trying to build a millipede. Because of obvious reasons, the millipede is NOT going to have 1000 feet!!! Instead, it's going to have 16 pager motors as feet. It will also have
工作原理:CMOS、HCMOS、TTL、LSTTL等數(shù)字電路的輸出狀態(tài)可直接控制多敏固態(tài)控制器DM的通斷。其配接方式如下圖(a)、(b)、(c)所示。在控制器的②、③端輸入控制信號時,作常閉電路的接法如(b),當(dāng)三極管VT無信號輸入
GeneralThere are many 9V chaser circuits that seem to waste about 7V when driving LEDs that are only about 2V. This project is unique, because it uses only two inexpensive alkaline battery cells total
該裝置應(yīng)用電路工作原理如下圖。它可以用于走廊、樓梯過道作為延時節(jié)能照明燈。上樓前在樓下按動一下 AN1-ANn中的任一個按鈕,時基集成電路IC NE555的②腳受到低電平觸發(fā)而置位,它的輸出端③腳即即刻變?yōu)楦唠娖剑瑢?dǎo)
1. 引言 嵌入式系統(tǒng)是能夠運行操作系統(tǒng)的軟、硬件綜合體,且多數(shù)系統(tǒng)的應(yīng)用軟件和操作系統(tǒng)是緊密結(jié)合在一起的。選配好RTOS(Real-Time Operating System)開發(fā)平臺,就能合理的實現(xiàn)多任務(wù)調(diào)度,系統(tǒng)資源利用。