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Thermocouple temperature sensors have the advantages of wide measurement range, high accuracy and fast response time, and are widely used in many fields. However, they are often affected by interfere...[Details]
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The rise of IoT technology has ushered in a golden period of development for short-distance communication technologies represented by WiFi and Bluetooth in recent years. According to a survey by the ...[Details]
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During each growth stage of tomatoes, weak light environment will have a great impact on the growth of tomatoes, so it is necessary to supplement light during each growth stage of tomatoes. As for ho...[Details]
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1. Project Overview 1.1 Introduction At present, most music files are saved in MP3 format, which is a lossy audio compression format that cannot perfectly reproduce the original music. With the expa...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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LED是通电时可发光的半导体材料制成的发光元件，材料使用III-V族化学元素(如：磷化鎵(GaP)、砷化鎵(GaAs)等)，发光原理是将电能转换为光，也就是对化合物半导体施加电流，透过电子与电洞的结合，过剩的能量会以光的形式释出，达成发光的效果，属于冷性发光。
LED最大的特点在于：无须暖灯时间(idlingtime)、反应速度很快(约在10^-9秒)、体积小、用电省、污染低、适合量...[Details]
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Merger approved GPV and Enics to create an international electronics group with more than 7,500 employees On October 3, 2022, GPV, Denmark’s largest electronics manufacturer, and Enix, headquartere...[Details]
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On January 12, Zhanrui Micro released its 2020 annual performance forecast, saying that its net profit in 2020 is expected to be 1 billion to 1.05 billion yuan, a year-on-year increase of 101.14% to ...[Details]
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1-8-3-2. Rectifier output full-bridge transformer switching power supply
Figure 1-48 is the working principle diagram of the full-wave rectifier output full-bridge transformer switching po...[Details]
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According to previous news, Samsung Galaxy Z Fold 3, a new generation of folding screen flagship, will officially debut in the second half of the year. In addition to improvements in performance and ...[Details]
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Let's think about a question. When we write an instruction into the microcontroller in the programmer and then remove the microcontroller, the microcontroller can execute the instruction. Then this i...[Details]
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In the operation of the power grid, the power factor reflects the degree to which the apparent power output of the power supply is effectively utilized. We hope that the power factor is as large as...[Details]
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Due to the growing efficiency requirements, many power supply manufacturers have begun to turn their attention to bridgeless power factor correction (PFC) topologies. Generally speaking, bridgeless P...[Details]
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Aiming at the design of mobile phone radio frequency (RF) circuits, this article takes the test of SAW filters as an example to discuss the following three issues: how to use a single-ended vector ...[Details]
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The matching problem of servo motors is a complex and important issue, involving many aspects such as motor selection, control strategy, and load characteristics.
Basic principles of serv...[Details]
MEMS sensors
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