6R3R05X333KV4T

1. Project Overview 1.1 Introduction With the development of society, high-rise buildings and intelligent buildings are constantly emerging. As a vertical transportation tool, elevators have been mor...[Details]

On February 23, the Beijing Regulatory Bureau disclosed the basic information table of CITIC Construction Investment Securities Co., Ltd. (hereinafter referred to as CITIC Construction Investment Sec...[Details]

    Abstract: This article introduces the "host computer-PLC power control system" developed by applying a programmable controller (PLC) to transform the DC high-voltage power supply system of the li...[Details]

With the development of power electronics technology, more and more portable devices are beginning to use small and medium-sized (7'~10') LCD panels as display output devices. Due to the limited batt...[Details]

Current probes are widely used. The basic principle is that the current flowing through the wire will generate a magnetic field around it. The current probe converts the magnetic field into a corresp...[Details]

How to choose constant current application of LED lighting? Undoubtedly, Buck type structure is the most cost-effective choice. This article briefly introduces the principles and applications of some...[Details]

TI has increased the availability of its field-tested metering evaluation kits and expanded its metering IC product line with larger memory, higher security and accuracy. For example, as part of its ...[Details]

　　We designed an integrated chip test system using AT89C52 single-chip microcomputer. This test system can realize the function detection of TTL, CMOS series chips and some common key switches common...[Details]

       At the end of last year, Qualcomm officially released the new generation Snapdragon 8 flagship chip, and many models are now on the market. 　　However, it should be noted that although the para...[Details]

As a major application field of artificial intelligence, autonomous driving has become an arena for entrepreneurs. However, whether in terms of capital demand or technology, autonomous driving is an ...[Details]

By calculating the viewing distance of the LED display, we can find the most suitable distance for the viewer and the best viewing angle, so that the LED display can play its unique display effect....[Details]

There are three main ways to dissipate heat: conduction, convection and radiation. For bulbs and spotlights, conduction plays the most important role. In order to achieve good heat conduction effects...[Details]

In current embedded systems, software codes are generally stored in memories such as EEPROM and Flash, but the program codes stored therein are easy to be read and illegally copied, which is its fatal...[Details]

　　1. Ultra-light and ultra-thin body, easy to operate with one hand and easy to carry; 　　2. Low power consumption, two dry batteries can be used for more than 200 hours; 　　3. Two-point calibration ...[Details]

On July 6, in the quality supervision inspection of photovoltaic grid-connected inverter products organized by the General Administration of Quality Supervision, Inspection and Quarantine, the 500-...[Details]