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U.S. President Trump said at the White House on the 12th that the United States will release more wireless spectrum and simplify the construction permits for communications facilities in order to gai...[Details]

The article "Charger that can repair lead-acid batteries" is cleverly conceived and has sufficient energy. The disadvantage is that the transformer is inefficient and large in size. Because it works ...[Details]

LED packaging process The packaging process of LED devices is a very important task. Otherwise, LED devices will suffer from serious light loss, low light flux and light efficiency, uneven light c...[Details]

The common straight-slide potentiometer is shown in the figure, model WH20A. The common faults of this potentiometer are mostly caused by the poor contact between the carbon resistance sheet ...[Details]

This paper uses SOPC technology based on NiosⅡ soft-core processor to realize the design of digital photo frame, which fundamentally changes the shortcomings of traditional design solutions. NiosⅡ so...[Details]

1. Analysis of IRQ interrupt in startup code. Example: timer4 interrupt call process 1. When timer4 is interrupted, the value of the INTOFFSET register becomes the value corresponding to the in...[Details]

　　In order to meet the needs of people to carry bags with them for anti-theft when going out, bags with anti-theft alarm function came into being. However, anti-theft bags with more complete function...[Details]

　　In the oil refining and chemical production process, V-cone flowmeter is one of the most used field instruments. Magnetic float level gauges are widely used in oil refining and chemical equipment d...[Details]

Even as cell phone designers continue to pack voice, camera, GPS and other features into enclosures no thicker than half an inch, and portable media player designers combine microcontrollers, har...[Details]

The LE Audio feature of the iEB110 IP allows manufacturers to develop low-power audio products that can offer some revolutionary new features that were not possible before, even with third-party pr...[Details]

Abstract: Based on practical applications, this paper proposes an intrusion detection method for wireless networks and gives a design scheme for an intrusion detection system . This ...[Details]

In digital circuit experiments, several instruments and meters are needed to observe experimental phenomena and results. Commonly used electronic measuring instruments include multimeters, logic pens,...[Details]

GPRS (General Packet Radio Service) is a packet-based wireless communication service. It will increase communication rates from 56 to 114Kbps and support continuous connections for computers and mobi...[Details]

Zhang Guoquan, director of Xiaomi Mobile Phone System Software Department, revealed in response to netizens today that Xiaomi MIX 3 is expected to start recruiting (or pushing) the beta version of MI...[Details]

CNC machine tools are highly automated machine tools that can automatically complete various complex processing tasks according to preset programs. In the programming of CNC machine tools, M codes ...[Details]