The most elusive thing in wireless communication is the invisible and intangible wireless channel. However, it is precisely because of its unpredictable changes that wireless communication has a uniqu...
[i=s]This post was last edited by ly6277895 on 2015-6-27 12:18[/i] [align=left][size=4][b](1) [/b][b]Design goal:[/b][/size][/align][list] [*]The 12V power supply voltage is converted into 7V and 5V p...
Now there is a design that requires a mobile power charging and discharging chip. The chip module is required to be able to output more than 1.5A when charging mobile devices such as mobile phones. Th...
I want to connect two 8-bit SRAMs now, and there are no other devices using external buses. Is my current connection correct?CPU SRAM1D0-D7 D0-D7A0-A13 A0-A13WE WEOE OENE2 CSThe connection of SRAM2 is...
My existing line can swing fine under 200+ illuminance, but it can't swing under sunlight. How can I modify it so that it can swing under strong light?...
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]