The 5080A can provide standard AC/DC voltage, AC/DC current, resistance and power. It can calibrate various meters including analog meters, panel meters, digital multimeters, power meters, etc. By usi...
[i=s]This post was last edited by qwqwqw2088 on 2021-10-29 12:57[/i]Once a device breaks down, don't stay away from it, but treat it as a treasure.Everyone who drives knows where is the best place to ...
In the program, we will encounter the situation where the BCD code is added or subtracted by one and displayed by the digital tube. Adding one is easy to understand, using the INC instruction, and the...
[size=4]Theme: Drinking wine and counting makers, see how to make good ideas happen[/size] [size=4] [/size] [size=4]Time: [b][color=#ff0000]November 12th, 19:00-20:30[/color][/b][/size] [url=https://w...
[img]file:///C:\Users\jwt\AppData\Roaming\Tencent\Users\568017873\QQ\WinTemp\RichOle\8T0QW0AUV~CEI(HO2T8)`XP.png[/img]As shown in the picture, I have clearly set the wiring rules, why is the GND groun...
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]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[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]
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]
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]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]