SPE-303-C

      OPPO Vice President @沈义人Brian announced the name of OPPO's first wireless noise-cancelling headset, OPPO ENCO Q1, and said that this wireless noise-cancelling headset uses 4Mic FF+FB dual activ...[Details]

At the beginning of 2008, the restructuring of the domestic telecommunications industry has become the focus of discussion. As for the restructuring plan that people have predicted, in the future, all...[Details]

Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]

If you’re interested in the world of robotics — and frankly, who isn’t — you’ve heard the term “robot dog” a lot. They seem to be everywhere, which begs the question: Why are so many quadrupedal ro...[Details]

Photovoltaic Elite Training Tour in India In September, Growatt Solar Elite Global Technical Training Conference kicked off in India, and training was carried out in seven major cities...[Details]

This program’s: By analyzing the block device driver framework under the 2.6 kernel, we know how to write drivers 1. What we have learned before are character device drivers. Let's recall them fi...[Details]

The pan-automotive industry is gradually taking shape. It is understood that today's smart cars can generate 20GB of data every day. In the future, cars with stronger autonomous driving capabilitie...[Details]

目前，我国高压电动机的保护主要有机电式和集成电路两种，但都存在着诸多弊病，不能很好地保护电动机。其中，异步电动机的机电式保护，主要以电流增大作为判据，保护原理粗略，对断相等严重不对称故障，由于一般不出现显著的电流增大，从而使保护装置难以及时动作，造成事故扩大；集成电路式保护虽在保护原理上有所改善，但其保护特性一般无法与电动机热曲线实现较好配合，常发生拒动或误动，严重的甚至烧毁电动机。因此，研...[Details]

This is the circuit design of a 1000W stereo audio amplifier. This is a very good assembly design, it is easy to build from the circuit board to getting the components, the output transistors are r...[Details]

With the development of modern communication technology, various multiple access technologies are becoming more and more widely used in daily life. The so-called multiple access technology refers to m...[Details]

Google plans to soon launch the "Pixel Buds Pro," a higher-end version of its Pixel Buds earphone series that it hopes will compete with the likes of Apple's AirPods Pro and Samsung's Galaxy Buds Pro...[Details]

Huawei's Kirin chip + 5G has made a strong return, attracting global attention and heated discussion, but the crisis in the chip industry has not been resolved. On October 17, local time, the U.S. De...[Details]

Main features of sine wave inverter power supply CPU control is adopted, the circuit is simple and reliable; Adopting SPWM pulse width modulation technology, the output is a pure sine wave with stab...[Details]

Application technology | Ruichi automotive-grade high-power VCSEL laser chip Application field: Intelligent driving Unique advant...[Details]

Recently, senior executives of Liquid Flow Energy Storage Technology Co., Ltd. were invited to the UAE to hold a project discussion with the UAE Minister of State for Foreign Trade, and were invite...[Details]