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1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
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Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
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When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
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The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
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1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
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Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
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1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
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Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
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Design Considerations
After the long-term deployment of smart meters (automatic meter reading infrastructure), a two-way communication will be established between the utility and the consumer. The ...[Details]
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1. Fieldbus Technology
The blast furnace gas washing system is to purify the gas recovered from the blast furnace through the washing tower and then send it to the user. The original conve...[Details]
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In single-chip microcomputer application systems, it is often necessary to communicate with microcomputers through RS-232 serial ports. Among various operating systems, Microsoft's Windows is more ...[Details]
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The growth of Bluetooth over the past five years has been phenomenal. However, in the minds of most consumers, Bluetooth is still a wireless communication medium that connects mobile phones and hea...[Details]
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Preface
For a new antenna, we usually care about its
three main performance indicators:
standing wave
coefficient, gain and radiation pattern. In a suitable microwave darkroom, these th...[Details]
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0 Introduction
Learning single-chip microcomputers is a very practical process. At present, single-chip microcomputer laboratories are basically built with hardware simulation equipment. Due to...[Details]
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At present, LEDs are all driven by DC, so an LED adapter, i.e., LED driver power supply, needs to be added between the mains and the LED. Its function is to convert the AC mains into DC power suita...[Details]