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Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
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DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
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With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
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Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
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0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
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Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
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introduction
Limited bandwidth and the increasing demand for new wireless services have paved the way for the adoption of new technologies in the communications field. These non-traditiona...[Details]
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1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
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1 H4006 chip introduction
The operating frequency range of H4006 is 10~15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
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IGBT Overview
1.1 Structural characteristics of IGBT
IGBT is a high-power, integrated "Insulated Gate Bipolar Transistor". It is a new type of composite electronic device develope...[Details]
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introduction
With the development of information technology, computer network technology represented by PC has developed to a higher stage, and the post-PC era with embedded intelligent de...[Details]
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O Introduction
Power supply is an important component of every electronic device. According to the requirements of the International Electrotechnical Commission standard IEC 61000-3-2, the...[Details]
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In recent years, with the popularization of automobiles and the construction of roads, economic exchanges between cities have become more frequent, and the areas of activities have become larger an...[Details]
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Overview: In recent years, small supermarkets (standard classification: convenience stores) have developed rapidly. The open-shelf operation and 24-hour operation of small supermarkets have brought...[Details]
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In access control applications, the use of traditional metal key door locks, although low cost, but the door key is easy to be copied, lost, rusted, etc., and inconvenient to carry, etc., which is ...[Details]