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LED lighting: 1. Assignment through sbit #include "reg51.h" sbit key1 = P2^0; sbit key2 = P2^1; sbit led1 = P1^0; sbit led2 = P1^1; void main(void){ while(1){ /* ifP2.0 port is pressed (the b...[Details]
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Introduction
Wireless sensor networks (WSNs) consist of randomly distributed micro nodes that integrate sensors, data processing units, and communication modules. They form a network through self-...[Details]
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There are many different technologies and designs used in solid-state switches sold on the market today. Standard bidirectional thyristors and snubberless bidirectional thyristors, as well as the...[Details]
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EMI / Anti-interference Design
EMI 是当今许多设计人员所面临的一项重大挑战。如果不能顺利通过 EMI 测试，则将导致项目成本显著增加和进度迟缓，因此高水平的工程师会在设计的早期寻求减低 EMI 的方法。因为开关稳压器具有高能量效率，所以越来越多人采用，对EMI 的影响也在加重。一种能有助于抑制与开关电源相关之 EMI 的简单方式是采用一个多...[Details]
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Zoss Automotive Research recently released the "2020-2021 Global and China Automotive Seat Industry Research Report", which shows the development history of automotive seats, industry structure, mark...[Details]
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The production method of LED electronic clock can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a...[Details]
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According to foreign media reports, from fleet management, remote diagnosis to data-driven Internet of Things, self-driving cars, Internet of Things, etc., vehicles are becoming more and more digital...[Details]
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According to Reuters, the U.S. Department of Commerce said on Thursday that companies such as Intel and Infineon have expressed their willingness to cooperate in providing chip shortage data, but the...[Details]
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Fujifilm will invest 70 billion yen ($637 million) in its semiconductor materials business over the three years to March 2024 to cope with surging global demand for chips for 5G and artificial intell...[Details]
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Today, He Gang, President of Huawei's terminal mobile phone product line, announced that the shipment volume of Huawei Enjoy 9 Plus in China has exceeded 10,000,000 units, or 10 million units. The fu...[Details]
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According to Reuters, citing people familiar with the matter, in response to the US blacklist sanctions on Huawei, some world-class technology companies including Intel, Qualcomm, Interdigital and So...[Details]
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In the wave of great changes in autonomous driving, everyone has a dream of autonomous driving in their hearts, and Continental is no exception. Based on three key application scenarios In Contin...[Details]
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The basic principle of the withstand voltage tester is to apply a voltage higher than normal operation to the insulator of the device under test for a specified period of time. If the insulation betw...[Details]
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The quality of LED
display unit board can be identified from the following aspects:
1. Check the appearance quality of the selected materials
①PCB board material and processing qu...[Details]
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1.2.4 Low-pass filter
The low-pass filter is used to pass low-frequency signals and suppress or attenuate high-frequency signals. A first-order low-pass filter is used in this product. The circ...[Details]
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