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Realme Q3s and Realme GT Neo2T smartphones will debut on October 19. Yesterday, the company released a poster showing the back design and color variants of the Q3s. Today, realme released a poster ...[Details]

　The mobile phone market has begun to be saturated, so in order to continue to develop and increase their own market share, many mobile phone manufacturers are working hard, and cost-effective mobile...[Details]

Easy to build 2 watt audio amplifier circuit A very simple mini easy to build 2 watt audio amplifier circuit which is perfect for small projects like pocket radios and other small audio gadget...[Details]

1.2.3 Verification of image processing algorithm accuracy 　　In order to verify the accuracy of the image processing algorithm, a laser ranging sensor was used to accurately locate the actual posi...[Details]

Industry sources revealed that STMicroelectronics Asia Pacific has notified distributors that it will increase prices across its product lines in the second quarter of 2022, which may encourage other...[Details]

       According to foreign media SamMobile, a running score information of the Samsung Galaxy S21 Ultra 5G mobile phone appeared on the Geekbench 5 website. It is worth noting that the phone runs th...[Details]

In the fiber optic communication system, information is carried by the light waves emitted by LED or LD, and the light waves are the carrier. The process of loading information onto light wa...[Details]

Many people occasionally use op amps as comparators. Generally speaking, this works when you just need a simple comparator and you have a "spare" op amp in a quad op amp package. The phase compensa...[Details]

This power amplifier has few components, simple production, and good sound quality. It is very suitable for installation in active speakers. The effect is ideal and the cost is low, which is suitable ...[Details]

　　There are three main analytical methods of atomic absorption spectrophotometry: 　　1. Atomic absorption flame spectrometry 　　The flame atomic absorption method is widely used as one of the most co...[Details]

The so-called LED refers to Light Emitting Diode, which is what we often call light-emitting diode. At present, LED backlight materials are mainly divided into two types: white LED backlight and RG...[Details]

Dot matrix online laser coding technology can achieve high-speed and high-precision online coding, represents the latest development direction of current online coding technology, and can pro...[Details]

Recently I made a set of PIC+IO expansion chip TCA6424 program. void main(void) { System_Init(); wr_IIC(0x8c,0xff,0xff,0xff); while(1) { p0 = rd_IIC(0x80); p1 = rd_IIC(0x81); p2 = rd_...[Details]

At the Samsung Advanced Foundry Ecosystem SAFE (Samsung Advanced Foundry Ecosystem) 2021 Forum which just ended this month, Samsung, the world's second largest wafer foundry, comprehensively introduc...[Details]

1 Overview The control of high-order harmonics in distribution networks has become one of the most important contents of China's power environmental protection work. High-order harmonics have...[Details]