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The 4th China International Import Expo is about to open, and Qualcomm invites you to witness the bright future of 5G connectivity On November 5, the 4th China International Import Expo will be gra...[Details]
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HDMI ARC, What Is It and Why Should You Care?
HDMI was introduced in 2002 to provide high-quality digital video and audio to consumer electronic devices. HDMI 2.0 only supported 4K video, but ...[Details]
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1 Introduction
With the development of information technology, inverter power supplies are increasingly widely used in the fields of communications, military, aviation, aerospace, etc. Traditio...[Details]
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Recently, I received a repair request for a laptop computer power adapter. This power adapter was a by-product (not an original accessory. It was a "three-no" product). Although the inspection and ...[Details]
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#include REGX51.H #define uchar unsigned char #define uint unsigned int #define PIN0 P0 #define PIN1 P1 #define PIN3 P3 sbit start=P2^7; sbit reset=P2^6; sbit add=P2^5; sbit reduced=P2^4; ...[Details]
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In the development and maintenance of electronic products, after considering the cost or confirming that an integrated circuit is damaged, it is usually necessary to find an integrated block with the...[Details]
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introduction In a real IoT smart home system, it should no longer be divided into independent meter reading networks, environmental networks, electric control networks, security networks, etc. acco...[Details]
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On January 29, Xiaomi officially released the wireless charging technology and will first implement it on the Xiaomi 11 mobile phone. Coincidentally, Motorola also launched the "wireless charging" on...[Details]
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Ningbo Weicheng Technology Co., Ltd. was founded in 2006. It is a national high-tech enterprise specializing in the research and development, manufacturing and sales of intelligent security prote...[Details]
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Previously, we introduced the test method of WIFI products 802.11b/g/n in MIC test. The interval between adjacent channels in channels 1-13 is 5MHz, and the 14th channel is a very special channel. The...[Details]
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In Jiangsu, the large-scale application of grid-side energy storage has achieved good social and economic benefits.
At present, the first batch of eight grid-side energy storage power stations...[Details]
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1. The principle of Hall device
The Hall effect is a magnetoelectric effect. When current passes through a metal foil, if a magnetic field is applied perpendicular to the current, a lateral potential...[Details]
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At the beginning of 2020, the sudden and severe pneumonia epidemic made the Chinese New Year, which should have been lively, gradually quiet. The hearts of people across the country were affected by ...[Details]
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introduction Since the end of the 20th century, research on thermoelectric materials has become a research hotspot in materials science. As an energy conversion material, the application of thermoele...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It has the characteristics of flexible programming, powerful functions, high re...[Details]