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With the rapid development of power electronics technology, DC power supply is widely used, and its quality directly affects the working performance of electrical equipment or control systems. DC r...[Details]
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introduction
Who is the undisputed leader in today's lighting market? LED lighting is the one that continues to carve out a larger and larger space in the lighting market. Compared with CFL (fluore...[Details]
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1. Overview
Electricity isolation
Sensors
/transmitters are small-volume, high-performance electrical quantity testing components (products) developed for electrical quantity detect...[Details]
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U.S. Commerce Secretary Gina Raimondo said at a White House press briefing today that she has spoken with CEOs of semiconductor chip manufacturers including TSMC in recent weeks about the issue of ha...[Details]
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On January 20, the State Administration for Market Regulation and the Ministry of Industry and Information Technology issued an announcement on the certification of second-use products for new ener...[Details]
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1. Hardware Introduction: (Using 5050LED 2W) The RGB three-color LED control pins are P1.2, P1.1, and P1.0 of the single-chip microcomputer. The positive pole of the LED is connected to the positive...[Details]
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2020 is about to end. Looking back at the mobile phone chip battlefield this year, we have seen the sudden rise of MediaTek's Dimensity series, the unrivaled Apple A series, and Huawei Kirin's variou...[Details]
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This application note provides a new perspective on physical
access control
systems from an information technology (IT) perspective. This article compares various types of lock technolo...[Details]
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The DC operating power supply (DC panel) equipment is the secondary power supply of power plants and substations, used for circuit breaker opening and closing and secondary circuit instrumentation...[Details]
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With the development of embedded technology and network technology and the widespread application of Ethernet, the networking of various application devices has become an important direction for th...[Details]
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On January 15, according to MacRumors, Bloomberg reporters Mark Gurman and Debby Wu said last year that Apple had tested a new iPad Pro with a glass back to support wireless charging. In a rece...[Details]
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The insulating oil dielectric strength tester is mainly used for withstand voltage test of insulating oil. It can perform a single test, or multiple tests and automatically calculate the average valu...[Details]
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1. Idea In the previous section, we burned the kernel, file system, and device tree files into the memory through DNW, and used bootm to start the kernel: bootm0x40600000 0x41000000 0x42000000. Becau...[Details]
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Media OutReach - February 21, 2020 - October 2019 to January 2020 marks the 50th anniversary of the introduction of the CCD, which has transformed our understanding of physics, life sciences, the Ear...[Details]
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To set the system to work in svc privileged mode, we know from the previous learning that this requires setting the CPSR program status register.
In the ARM Architecture Reference Manual.pdf d...[Details]