[i=s]This post was last edited by paulhyde on 2014-9-15 03:58[/i] As the title says, I would like to know what the experts think of this year's control questions. Do you have any experience worth shar...
I am a student, and now I am doing a graduation project on a smart home control system, which is based on arm9 wince. I wonder if anyone has done it, and I hope you can teach me! ~~~...
Introduction and analysis of traditional secondary frequency conversionThe traditional GSM cellular phone is a transceiver working in duplex mode. A mobile phone generally includes a radio frequency p...
I signed a labor contract, a confidentiality agreement and annexes, and the clauses in them are too harsh. Comrade Xiang Nong is right, all crows are the same. :(" /> :(" /> [[i] This post was last ed...
Hello everyone: I recently used KEIL V3 to run a code. I set a breakpoint and used the Run command to run to the breakpoint. I want to see the specific values of each variable at the breakpoint. How c...
[color=#000000]I am planning to buy a signal generator. It doesn’t have to be expensive, under 800. The ones I see more often on the market are [color=red]Shenzhen Shengli[/color][color=red]Hong Kong ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]