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VHF module properties
This module is a highly cost-effective wireless voice intercom and data transmission module, with built-in high-performance RF transceiver chip, microcontroller and...[Details]
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By using a simple and straightforward transmission line model, it is possible to accurately model and analyze microstrip inset-fed patch antennas.
Small, low-cost antennas are used in many mod...[Details]
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Spraying has a wide range of applications, including decoration, construction, automobile manufacturing, shipbuilding and other industries. According to incomplete statistics, there are 2 million...[Details]
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This set of experimental boards has a small number of components on each board, and can be made using either universal boards or copper-clad boards. The actual object in the picture above is made wit...[Details]
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According to Taiwan media Tech News, in order to accelerate the deployment of 5G millimeter wave (mmWave), Samsung Electronics has launched a new small base station Link Cell, which can be used to st...[Details]
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Antenna testing generally involves two aspects of characteristics: circuit characteristics (input impedance, efficiency, etc.) and radiation characteristics (directivity pattern, gain, polarization, ...[Details]
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On August 31, the 2019 World Artificial Intelligence Conference "Ecological Leadership, Intelligent Pudong" Summit was held at the Expo Center. Huawei's first global 5G innovation center was establis...[Details]
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Fast charging has now become a standard feature of most mobile phone brands. Models like Xiaomi, iQOO, OPPO, realme, OnePlus, etc. already support super fast charging. Among them, Xiaomi MIX ...[Details]
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RS-485 is an electrical interface specification that defines a multi-point, bidirectional (half-duplex) communication link based on a single pair of balanced lines. It only specifies the electrical...[Details]
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Two interrupts are enabled, one for timing and the other for external interrupt. void TIMER0INIT() { T0CON=0B10001000;//1000 0011, PSA=0, division by 16; TMR0L=0xDC; TMR0H=0x0B; //INTCON=0B101000...[Details]
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Among the industrial and domestic electrical loads, resistive and inductive loads account for a large proportion. Asynchronous motors, transformers, fluorescent lamps, etc. are typical resistive ...[Details]
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With the development of electronic technology, the design of digital systems is moving towards high speed, large capacity and small size. The traditional bottom-up design method can no longer ...[Details]
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Do you have a TV remote control or an air conditioner remote control at home? Do you also want to use it to control other appliances or even your computer? Well, let's make this "infrared remote c...[Details]
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1. Experimental task
As shown in Figure 13, use the P0 port P0.0-P0.7 of the AT89S51 microcontroller to connect to the a-h segments of a common cathode digital tube, and the common end of the...[Details]
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1. Basic principles of analytic hierarchy process The Analytic Hierarchy Process (AHP) is a decision-making method that decomposes the elements related to decision-making into levels such as goals, c...[Details]