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With the increasing development of electronic technology and communication technology, electronic energy meters have gradually been recognized and accepted by power companies and (residential) user...[Details]
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As for the quality of relays, it is necessary to control the purchasing channels and purchase goods from regular agents or manufacturers to avoid buying inferior or even fake products. It is re...[Details]
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Jiwei.com will jointly launch a roadshow live broadcast event with Beijing Qihang Investment Management Co., Ltd. This roadshow is a special event for information technology projects invested by Zhon...[Details]
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1. Brief introduction of S3C2440GPIO GPIO stands for General-purpose input/output. In addition to being used as input and output, these pins can also be configured to have other functions, such as I2...[Details]
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The ARM microprocessor supports two instruction sets in the newer architecture: ARM instruction set and Thumb instruction set. Among them, ARM instructions are 32 bits in length, and Thumb instructio...[Details]
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The LTC®2393-16 is a low noise, high speed 16-bit successive approximation register (SAR) ADC. The LTC2393-16 operates from a single 5V supply and supports a large ±4.096V fully differential input ...[Details]
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For general contact pairs, the volume resistance is very small compared to the contact resistance at the interface between the contact parts, and the value basically does not change. Therefore, the...[Details]
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A pointer refers to the address of the storage area where the variable or data is located. For example, a character variable STR is stored at the address 51H in the DATA area of the memory unit, th...[Details]
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Samsung announced today that the Galaxy S22 Ultra has allowed Samsung to set a new Guinness World Record in a category called "Most simultaneous unboxings - multiple locations." This record...[Details]
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A project launch ceremony was held in Haining, Zhejiang. A total of 16 projects were launched with a total investment of 2.3 billion yuan. The H3C Group Electronic Information Industry Park project i...[Details]
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2010 is an important year for the development of large-size LED backlights. The advantages of LED backlights, such as ultra-thinness, energy conservation and environmental protection, and high co...[Details]
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Requirements: PC sends 321 to MCU, MCU sends get321! to PC, PC sends 123 to MCU, MCU sends current seconds to PC (time value from opening to receiving) #include #include "Config.h" uchar i = 0; uch...[Details]
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1. Design requirements that a perfect PLC program must meet
A complete PLC program is not as simple as just making the system run. It also requires complete annotations, sophisticated architec...[Details]
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1. Introduction to peripheral LED LED lamps are light emitting diodes, which are a type of diode. A diode has an anode and a cathode. Current flows from the positive electrode to the negative electro...[Details]
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The third generation power semiconductor silicon carbide SiC has the characteristics of high withstand voltage level, fast switching speed and high temperature resistance, which can significantly i...[Details]