Inductor English abbreviation: L (Inductance) circuit symbol: The international standard units for inductors are: H (Henry), mH (milliHen), uH (MicroHenry), nH (NaHen); The unit conversion of the inductor is: 1H = 103m H = 106u H = 109n H; 1n H = 10-3u H = 10-6m H = 10-9H The characteri
At present, the quality of LED products is uneven, and the price is very chaotic. Even for the same kind of products, the difference between high and low prices is more than 10 times. Take a 5 watt bulb lamp as an example. It costs tens of dollars for expensive, and a few dollars for cheap. The pric
Anatomical analysis of high and low end LED bulbs">Continue Reading →
Abstract: In recent years, electrical fires have remained high, and electrical fire monitoring systems have gradually become an important part of building fire electrical design. This paper outlines the composition and principle of the electrical fire monitoring system, and gives the relevant syste
Analysis of the design and precautions of electrical fi…">Continue Reading →
material: This article refers to the address: http:// 1, 40 astigmatic white high-brightness straw hat LED (LED specification: 3.2 ~ 3.4V current less than 20 mA brightness 1400MCD) 2, assembled plastic casing and E27 Luokou lamp holder and lead out the wire 3, 38 LED light board PCB 4, a go
Steps of making 220V AC white energy saving lamp">Continue Reading →
Model NO.: RVVP2*1.0 Wire Core Material: Bare Copper Wire Certification: CE, ISO, RoHS, CCC
Rvvp 300/300V 1mm2 5 Core Shielded Flexible Cable">Continue Reading →
According to the "Notice on the gradual ban on the import and sale of ordinary lighting incandescent lamps" issued by the five ministries and commissions last year, from October 1 this year, the import and sale of ordinary lighting incandescent lamps of 100 watts or more will be banned, a
Xiangtan: banned sales of 100-watt incandescent lamps f…">Continue Reading →
1 Introduction Family security is a problem that has been plaguing people for a long time. At present, the rise of "smart home" can not only solve this problem, but also improve people's quality of life. But its high cost is unaffordable for most people. This ar
Design of Information Acquisition and Transmission Syst…">Continue Reading →