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Background and History
The concept of energy harvesting has been around for more than 10 years, but in real-world environments, systems powered by ambient energy have been bulky, complex, a...[Details]
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A new report shows that bilateral investment between China and the United States continued to decline in the first half of 2019, hit by trade tensions between the two countries. Data released on Thur...[Details]
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An oscilloscope is a waveform display instrument that can display the change of signal amplitude over time. It is a comprehensive signal characteristic tester and a basic type of electronic measuring ...[Details]
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Although electric vehicle sales have exploded in recent years, not everything is going smoothly. In most countries around the world, electric vehicles are relatively expensive cars, and the purchase ...[Details]
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Abstract: This article introduces the implementation ideas, methods, communication protocols and C51 program platform of batch processing commands for communication between PC and MCS-51 microco...[Details]
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HMD Global-owned Nokia has been hit with a new leak recently as its unreleased Nokia C30 suddenly appeared on a retailer listing. Today, Nokia is once again in the spotlight as the company says a rug...[Details]
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In the design of LED lighting power supply , there are several design problems: the life of electrolytic capacitors does not match that of LEDs, the common causes and treatments for LED flickering,...[Details]
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1 Introduction
To ensure non-circulating current switching, it is necessary not only to ensure that the mains bypass voltage and the UPS inverter output voltage have the same frequency and ampl...[Details]
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The withstand voltage insulation tester is a testing instrument that is mainly used to test the insulation strength of various high-voltage electrical equipment, electrical components, and insulating ...[Details]
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In recent years, information technologies such as the Internet, the Internet of Things, and big data have been integrated with medical care , and hospital informatization has entered a new stage. W...[Details]
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High-power signal handling and testing requires the use of high-frequency attenuators designed to handle large signals without damage or performance degradation. Especially when working with signals ...[Details]
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Huabei announced the official launch of the "Spring Festival Travel Interest-Free Installment Plan". After users search for "Spring Festival Travel" on Alipay to receive Huabei's interest-free instal...[Details]
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On the basis of the existing highway network video surveillance, a mobile video surveillance system is built. Using technologies such as mobile streaming media, video compression and information ...[Details]
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According to a survey by the Society of Automotive Engineers of the United States, 260,000 traffic accidents in the United States are caused by low tire pressure or leakage each year. In addition, ...[Details]
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On October 31, the "Starry Sky" Innovation and Entrepreneurship Competition of Changsha Economic and Technological Development Zone, Hunan Province was successfully held at the Changsha Economic an...[Details]