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On January 23, OPPO held an award ceremony for the 2020 PDS 5G Antenna Joint Development Achievements. At the ceremony, OPPO Assistant Vice President Xu Ming personally awarded the "PDS 5G Antenna Jo...[Details]

Abstract     In the entire LED industry chain, from chips to packaging and finished products, all the photoelectric indicators of the products need to be tested. However, most LED manufacturers will...[Details]

Designing to mitigate EMC issues   Designing for good EMC immunity requires a multi-layered approach that focuses on the factory level (such as grounding and power distribution) and down to the perf...[Details]

;The complete source program of 12864 LCD display is as follows: ;============================       COM EQU 20H       LINE EQU 31H       DAT EQU 21H       COLUMN EQU 30H       PAGE0 EQU 31H       ...[Details]

1. Experimental tasks A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809 . It can measure DC voltage...[Details]

When the CP terminal in Figure Z1504 is connected to the terminal, a 3-bit asynchronous binary subtraction counter is formed as shown in Figure Z1506. The initial state of the counter is 000. ...[Details]

　　Thin-film solar cells are usually made of solid glass, which greatly limits the development of portable solar cells. Although flexible versions exist, they require very professional manufacturing p...[Details]

Lighting remote wireless control system With the development requirements of Chinese cities for environmental construction, urban lighting engineering technology has gradually improved and has...[Details]

With the continuous innovation and improvement of the Science and Technology Innovation Board's system, more and more outstanding semiconductor companies are accelerating their entry into the capital...[Details]

The increasing amount of electronic circuitry in vehicles is demanding more battery power, and to support features such as remote keyless entry and security, the battery must continue to provide po...[Details]

1. Production situation From January to September 2020, among the main products of the national battery manufacturing industry, the output of lithium-ion batteries was 12.57 billion, a yea...[Details]

Recently, an investor asked Han's Laser on an interactive platform, "What research progress has the company made in the field of lithography machines? What kind of cooperation does it have with domes...[Details]

2020 is destined to be no ordinary year.   Under the shadow of the COVID-19 pandemic, Sino-US trade frictions continue. The unfavorable epidemic prevention in Europe and the United States has spread ...[Details]

What are the application areas of PLC PLC (Programmable Logic Controller) is widely used in the field of industrial automation control. The following are several major application areas: ...[Details]

A frequency converter is an electronic device used to control the speed of a motor. It can convert the input AC power into DC power, and then convert it into AC power with adjustable frequency, the...[Details]