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It is reported that the US government will impose new restrictions on exports to China, including civilian aircraft parts and semiconductor production equipment, in order to prevent China from obtain...[Details]

1. Experimental tasks When the switch SP1 is pressed, the AT89S51 microcontroller generates a "ding-dong" sound and outputs it from the P1.0 port to the LM386, which is amplified and sent to the spea...[Details]

As the demand for consumer electronic products continues to expand, people have put forward higher requirements for the portability of their power systems. Therefore, high efficiency and high power...[Details]

 ON Semiconductor, driving energy-efficient innovations, will showcase its innovative technologies for smart homes, connected buildings and personal IoT at CES 2020.   The rise of voice control and v...[Details]

　　It is strongly recommended that users do not consider external expansion of program memory as much as possible. If expansion is necessary, it can be expanded by imitating the circuit shown in the f...[Details]

Recently, some users who have used the Android 12 Beta version have found that the changes brought about by the new system have made their driving experience a little bit bad. One user complained, ...[Details]

There are many factors that cause instrument equipment failure. From the perspective of the cause of the failure, the failure can be divided into hard failure and soft failure. Hard failure mainly re...[Details]

1. Basic concepts of LED circuits LED (Light-Emitting-Diode) is a semiconductor that can convert electrical energy into visible light. It changes the principle of tungsten filament light emission of ...[Details]

The General Administration of Quality Supervision, Inspection and Quarantine recently announced the results of the national supervision and random inspection of photovoltaic grid-connected inverter...[Details]

Last Friday, Microsoft officially released a new generation of Windows, and it has been six years since the release of Windows 10. Considering the tool attributes of PC and the huge user base worldwi...[Details]

A strong competitor to Tesla has now emerged from Zhangjiang, Shanghai.   It is not new energy, nor is it a new force in car manufacturing, but Tesla’s core capability - autonomous driving.   Automat...[Details]

(Photo source: M&I official website) According to foreign media reports, British M&I Materials, the School of Manufacturing Engineering (WMG) at the University of Warwick and Ricardo Consulting ha...[Details]

1. Introduction 　　The air around us is a mixed gas, which contains water vapor. The dryness and wetness of the air are related to the amount of water vapor in the air, and the dryness and wetness of ...[Details]

Wireless power supply is a very attractive production topic. Many electronic magazines and forums have introductions to the production of wireless power supply circuits. Although these circuits have ...[Details]

With the continuous advancement of science and technology and the transformation of the global energy structure, the automotive power system is undergoing unprecedented changes. From traditional fu...[Details]