The integrated wiring of buildings is to adapt to the development of computer technology and communication technology, further realize the needs of social informatization, and is also an indispensable...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:57[/i][font=Arial, Helvetica, sans-serif, 宋体][color=#000000][size=12px]1. What is bi-wiring? [/size][/color][/font] [font=Arial, Helvet...
[b][color=darkred]Those who want to be safety engineers, please test yourself. The answer will be in the last attachment [/color][/b] [b][color=darkred]I. Multiple choice questions 2*10=20) 1. 3C cert...
1. I looked at the examples and found that there is no FFT example. Does this DSP28335 not support FFT? By the way, the C2000 series has the C2000 ware library. It is much more convenient, but I am no...
After the timer interrupt is executed, won't it go back and re-execute the main function? If the register is modified in the timer interrupt, won't it be changed back if the interrupt is exited and th...
The schematic diagram of the monostable ultrasonic receiver circuit. The resonant frequency of the ultrasonic transducer R40-16 is 40kHZ. After the frequency selection by R40-16, the interference sign...
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[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, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
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