7109J8AV2SE22

       Whether iQOO Neo 3 is good or not, you can only know it by trying it yourself. Before reading the review, why not apply for a free trial? For details, click: http://zhongce.sina.com.cn/activit...[Details]

Function of the circuit Inductors above several 100MH are heavy and large in size, which are not suitable for current use requirements. Except for special purposes, low-fre...[Details]

In our daily life, electrical appliances that we can see everywhere use R-type power transformers, ranging from mobile phone chargers, televisions, air conditioners, rice cookers, etc. to elevators...[Details]

At present, in the integration platform of security systems, access control-based integration and video-based integration are widely used. This article will mainly introduce the demand for access c...[Details]

　　Microcontrollers are an integrated circuit chip that uses very large-scale integrated circuit technology to combine a central processing unit (CPU) with data processing capabilities, random access ...[Details]

In order to meet the needs of the teaching process, highlight the aviation characteristics, and create an integrated teaching environment of "teaching, learning, and doing", a Yun-5 simple flight s...[Details]

Different analyzers have different designs, functions, and uses. Below is an analysis of the differences between power analyzers and power quality analyzers. Power analyzers are mainly used to meas...[Details]

We all know that a three-state gate is a gate circuit whose output has a third state in addition to the two states of high and low level - high impedance state. The high impedance state is equivalent...[Details]

Both theoretical calculations and experimental data tell us that the propagation speed of light and electromagnetic waves in a vacuum is C=3X108 m/s, which has been universally recognized. Since ...[Details]

      Many people know that Apple was founded by Steve Jobs in his parents' garage. But what is less well known is that in 1976, the year Jobs founded Apple, Apple's first product, the Apple-1 comput...[Details]

In some equipment tests, voltages as high as ten thousand volts are encountered; in systems, problems requiring measurement of hundreds of thousands of volts or even higher voltages are often encount...[Details]

At Apple's fall conference three years ago, this brand, which has always been a bit radical, cut off the 3.5mm headphone jack of its new iPhone and said not to worry, the future of mobile phone audio...[Details]

Senator Amy Klobuchar introduced a revised version of the American Choice and Innovation Act last night as the US government continues to work on legislation targeting big tech companies and mandatin...[Details]

In today's lighting field, LED has become the future development trend due to its advantages such as long life, low power consumption and no pollution. However, it is not feasible to design a uniq...[Details]

The forward and reverse wiring of a three-phase inverter is a highly technical job, involving many aspects such as electrical principles, wiring methods and safe operation. This article will introd...[Details]