Since its establishment, Fujing has been adhering to the service concept of being close to the market and meeting customer needs. Today, consumer electronic products have been trending towards low prices, green energy, fashion, and thinness. Fujing firmly believes that it has the strength to welcome the coming of this era and has the ability to create a more brilliant tomorrow.
The distribution network is composed of overhead lines, cables, poles, distribution transformers, disconnectors, reactive power compensation capacitors and some ancillary facilities. It plays an impor...
Introduction to Huayu Industrial Control and Mobile Micro Platform Huayu Industrial Control was originally an industry application division of Shenzhen Huayu High-tech Co., Ltd. It has been operating ...
This is a lithium battery charging circuit. Is the part in the picture below responsible for monitoring whether it is fully charged? The green light is on when it is fully charged and the red light is...
With the rapid development of smart grids , various intelligent analysis functions have begun to appear in more and more residential terminal devices, such as smart meters and data concentrators . The...
I have a Huawei GTM900C gprs module. I learned a tutorial on how to use the public network for data transparent transmission online: 1. Set my computer's IP address and internal port in the router-for...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]
1. Problem Statement
"Fuses are outdated!" This statement seems to make sense, but it is also a practical technical problem. Indeed, in the past decade or so, the use of low-voltage fuses ...[Details]
Forward converter is widely used in small and medium power
conversion
due to its simple topology and wide step-up/step-down range
. The output power of forward converter is not limited...[Details]
White light LED lighting has been widely recognized by everyone for its high efficiency, low power consumption, energy saving and environmental protection. In essence, LED is a light-emitting diode. I...[Details]
1 Introduction
The electromagnetic cooker uses the principle of electromagnetic induction to heat and is an advanced electronic cooker for modern families to cook food. It is very con...[Details]
Talking
京公网安备 11010802033920号
EEWORLD
