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0 Introduction Wireless Multimedia Sensor Network (WMSN) is a new type of sensor network that introduces multimedia information perception functions such as audio, video and images based o...[Details]

Recently, TSMC announced that it had ordered a batch of semiconductor equipment from ASML, Lam and other companies, with a total value of NT$5.668 billion (approximately RMB 1.3 billion). It is und...[Details]

Casting is the foundation of industry, such as in the machine tool industry, automobile industry, metallurgical industry, mining industry, and with the upgrading of domestic consumption and the dev...[Details]

1. Circuit Principle 　　In the circuit, V1, V2, R1, and C3 form a 40kHz oscillator, whose output drives the infrared tube D6 to emit 40kHz infrared light. When a person's hand reaches under the hand...[Details]

    Abstract: This article introduces the problems and solutions that may occur when multiple power modules are used in parallel.     Keywords: power module, parallel operation, current sharing ...[Details]

1. Background knowledge:  Main factors affecting voice quality: 2. Standards for testing:  Main standards:  YD/T 1214-2002&YD/T 1215-2002 YD/T 1538-2006  Other relevant standards: ...[Details]

Code specifies the storage location in the program memory. The program memory is read-only, so variables of type code cannot be reassigned. unsigned char code ary = :"Read only"; /* Array ary is loca...[Details]

At present, embedded systems have been more and more widely used in various fields such as industrial control, household appliances, mobile communications, PDA, etc. As users have higher and higher r...[Details]

       More than half a year ago, OnePlus launched the Nord 2 5G. Now the company has launched the new OnePlus Nord CE 2 5G. CE stands for Core Edition. This phone is a streamlined version of Nord 2 ...[Details]

    Battery life and thermal balance are two of the biggest challenges facing mobile power management system designers. As device hardware and software features increase, such as web browsing, higher...[Details]

At a time when the world is shrouded in the shadow of the virus, people who have been forced to press the pause button have gradually calmed down and started to seriously reflect on the relationship ...[Details]

I made an active computer amplifier, and it works very well. These circuits are worth a try for beginners and those who like to do it themselves. The printed circuit board of this circuit is designed...[Details]

　　Programmable controller, also known as PLC, plays an important role in the automation industry. As for programmable controllers, the editor has introduced its theoretical knowledge in previous arti...[Details]

According to the patent compilation rules set by the Patent Cooperation Treaty in 1970, China became the country with the most patent applications in 2019. This is the first time since 1978 that the ...[Details]

At present, most mobile phones have cancelled the 3.5mm headphone jack, so users who use wired headphones need to use a Type-C to 3.5mm headphone jack adapter. Here the author analyzed that most of...[Details]