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Abstract: Using lossless absorption circuit can increase the operating frequency of hard-switching PFC and reduce switching loss. Applying full-bridge phase-shift soft switching technology, high po...[Details]
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CPU and memory The 8051 CPU core used in the CC253x chip series is a single-cycle 8051-compatible core. It has three different memory access buses (SFR, DATA and CODE/XDATA), single cycle access ...[Details]
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As we all know, Apple previously launched a new policy that allows scanning CSAM (child sexual abuse photos) content stored in iCloud Photo Library without user permission. This immediately ca...[Details]
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Platform: mini2440 Cross toolchain: arm-linux-gcc-4.3.2 1. Basic knowledge of kernel transplantation Porting the kernel is also called building a BSP (boardsupport packet). BSP has two functions: o...[Details]
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1. The running water lamp We use an experimental phenomenon to understand the interrupt function again. In the main function, we make the eight lights flow rapidly left and right continuously. At...[Details]
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CAN (Controller Area Network) bus is a serial data communication protocol developed by Bosch of Germany to solve the data exchange between numerous control and test instruments in...[Details]
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Contemporary Amperex Technology Co. Ltd (CATL) said it plans to build a new battery manufacturing plant near Tesla's Gigafactory in Shanghai with an annual output of 80GWh, enough to po...[Details]
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When the capabilities of ChatGPT-4 and other large models were revealed to the world, people began to fear the future. On the one hand, the rapid development of science and technology has brought a...[Details]
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Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
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At Huawei's winter new product launch conference held on December 23 last year, Huawei Consumer Business CEO Yu Chengdong revealed that the number of devices equipped with Harmony OS has exceed...[Details]
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Recently, there has been new news about LG's mobile business. According to foreign media reports, LG and Vingroup, a large private enterprise in Vietnam, discussed the acquisition of LG's mobile phon...[Details]
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Abstract: Temperature is one of the most basic physical quantities in science and technology. In industrial production and life, it is often an important parameter to characterize the state of objects...[Details]
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According to the basic types, communication can be divided into parallel communication and serial communication. In parallel communication, each bit of data is transmitted at the same time, and commu...[Details]
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TSMC's 5nm will grow strongly in the second half of the year, 3nm is expected to be mass-produced in 2022, and 2nm has been developed. Yang Ruilin, research director of the Industrial Technology Rese...[Details]
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CNC lathe is a highly automated machine tool, widely used in the field of mechanical processing. In the programming of CNC lathe, M code (auxiliary function code) plays a very important role. M99 i...[Details]