7201J62ZQI21

From scratch, from shallow to deep, my country's manned deep-sea diving business has continuously made new breakthroughs. On November 10, 2020, the "Struggler" manned submersible independently develo...[Details]

All LEDs must be powered by a constant current source, but many street lamp manufacturers currently look for a suitable constant current module after the LED module has already been designed. Howev...[Details]

Let's take the GPIO assembly code of S3C2440 as an example: .text .global _start _start: //Write 0x100 to address 0x56000050 and configure gpf4 as an output pin.     ldr r1, =0x56000050 ldr r0,=0...[Details]

Apple’s new AirPods Pro headphones have been sold out across the entire US network. It is obvious that Apple has successfully created another "explosive" product, and AirPods Pro has become an indust...[Details]

I use STM32F030F4P6 to design low-power slave. The design requirement is to synchronize the status with the host. If the host times out and does not give feedback from the serial port (the host is tu...[Details]

If I use a mobile phone, I won’t be able to watch current TV series, I’ll have to start over with new games, and my fitness records will be gone. That’s right, mobile phone manufacturers are trying h...[Details]

    Thyristors have the advantages of high power, high efficiency, small size, light weight, no noise, sensitive control, etc. They also have the characteristics of using small current and small power...[Details]

In 2019, Huawei announced its plan to build a connected car network, and the plan progressed rapidly. By the end of the year, Huawei had even installed it in a mass-produced car. On December 29, 20...[Details]

Introduction Proton Exchange Membrane Fuel Cell (PEMFC) is a power generation device that converts chemical energy stored in fuel and oxidant into electrical energy. It has the characteristic...[Details]

LED display screen has become a new generation of information dissemination media tool due to its low power consumption, long service life, low cost, high brightness, few faults, wide viewing angle, a...[Details]

Heejung Jung, professor of mechanical engineering in the UC Riverside Marlan and Rosemary Bourns College of Engineering and member of the Center for Environmental Research and Technology, studies how...[Details]

The rapid development of digital technology has led to an explosive growth in the market for mobile digital products such as smart phones, MP3, MP4, PSP, digital cameras, camcorders, and GPS. Accor...[Details]

South Korean chip supplier SK Hynix said its fourth-quarter operating profit plunged 95%, missing analysts' expectations as oversupply and weak demand hit chip prices.   SK Hynix, the world's seco...[Details]

1. Automotive EE architecture changes from distributed to domain centralized, promoting communication architecture upgrades Electronic and electrical architecture was first proposed by Delphi (DEL...[Details]

The servo motor acceleration and reduction system is a common transmission device in the field of modern industrial automation. It achieves precise control of the load by converting the high-speed ...[Details]