55M61803400

As we all know, in July 2019, Japan announced controls on exports of several chips and smartphones, important raw materials for the manufacturing industry, to South Korea, which had an adverse impact...[Details]

　　1 Introduction  　　In recent years, digitalization has been widely used in the field of power supply, and many electronic devices require power supply with multiple levels. Therefore, a switching ...[Details]

　　The increase in Internet data capacity and the continuous development of wireless networks have forced equipment manufacturers and designers to adopt ATCA or MicroTCA standards. ATCA (Advanced Tele...[Details]

Electric toothbrushes use the rapid rotation or vibration of the motor core to generate high-frequency vibrations in the brush head, instantly breaking down the toothpaste into fine foam to deeply ...[Details]

On August 23, 1950, Dan Abel Kimball, the Deputy Secretary of the U.S. Navy, called the Department of Justice and asked them to try to prevent a 39-year-old foreign professor from returning to his co...[Details]

1. Millisecond delay Delay 1ms; void delay_1ms(void) { unsigned int i; for(i=1;i (unsigned int)(xtal*143-2_;i++) ; } In the above formula, xtal is the crystal frequency in MHz. When the crystal frequ...[Details]

      IT Home reported on January 13 that although Xiaomi does not release products as frequently as Realme, it has multiple brands and its product positioning covers a relatively comprehensive range...[Details]

Today, Huawei's first 5G dual-mode mobile phone, the Mate 20 X 5G version, was officially launched. Taking this opportunity, Huawei began to popularize whether to change the phone or the card to use ...[Details]

This article describes a low-cost method for constructing a low-distortion, bus- controlled sine wave oscillator. This circuit produces a sinusoidal output with typical s...[Details]

Under the dual-carbon strategic layout, drive motors, as core components of new energy vehicles, need to pay more attention to the development of high efficiency, miniaturization, and intelligence....[Details]

Smart home is to establish a home comprehensive service and management integrated system consisting of home security protection system, network service system and home automation system by comprehe...[Details]

There are two common structures: one is that the fluid flows through the high-pressure and low-pressure chambers of the differential pressure transmitter; the other is that the fluid does not flow th...[Details]

       Every year, Samsung invites a different musician to create the "Over the Horizon" ringtone to keep the ringtone fresh while also reflecting the current emotional state of the world. The 2022 r...[Details]

Nowadays, information technology has been widely and deeply applied in various links of industrial production, operation, and management. At the same time, various high-end and precision equipment ha...[Details]

With the rapid development of micro-electromechanical technology, low-power embedded technology and communication technology, micro sensors with sensing, computing and wireless communication capa...[Details]