EH29047-PM

At 23:00 Beijing time on February 9, 2022, Samsung held a global new product launch conference. As usual in previous years, Samsung will bring its Galaxy S series products at the beginning of the y...[Details]

We have finally ushered in the long-awaited Meizu 16s press conference, which is scheduled for 7:30 p.m., so today I will bring you a summary of the exposure and live broadcast platform of Meizu 16s,...[Details]

The clock oscillator is one of the basic components of electronic products, the heart of all electronic systems, and the foundation for the normal operation of the system. Its main function is to pro...[Details]

Introduction: The serial port is a tool for exchanging information between the microcontroller and the outside world. There are two communication methods of 8051 microcontroller: parallel communicati...[Details]

【Summary】 【Reason for writing】 【Question Structure】 【Analysis 1】Overall Process get_free_pages and mmap 【Analysis 3】CPU and TLB CPU and L1 cache CPU and L2cache 【Summarize】 Note:...[Details]

The P series is Crucial's mainstream NVMe solid-state drive series. It recently launched the new P2 NVMe solid-state drive, which is available in 250GB and 500GB capacities. The price-performance rat...[Details]

In developed regions such as Europe, America and Japan, "Intelligent Transportation System" has been used to manage existing traffic roads, and a large amount of manpower and material resources are...[Details]

How fast are today's high-speed analog-to-digital converters? The pipeline structure, silicon bipolar and CMOS process technology determines that the sampling frequency of commercial high-speed con...[Details]

　　There are also many key points for maintenance and testing in the circuit of the VCD machine. The oscilloscope is the most powerful tool for repairing VCD machine circuits. As long as the fault wav...[Details]

Tang Jun, General Manager of Anhui Hefei Power Supply Company Focusing on the strategic goal of "three types and two networks, world-class" of State Grid Corporation of China, Anhui Hefei Powe...[Details]

Mobile phone fast charging has developed rapidly in recent years, especially the five major domestic mobile phone brands, which have surpassed Apple and Samsung in charging power and speed, and led t...[Details]

When drilling and repairing drill pipes, drilling tools, and oil casing in oilfields, the special tool for threading is hydraulic power tongs. After the clamping mechanism of the hydraulic power tong...[Details]

　　1 Introduction 　　RF power amplifiers are widely used in various wireless communication transmission equipment. With the rapid growth of mobile communication services, the requirements for low con...[Details]

This tutorial uses a simple voltage measurement circuit to explain the use of the AT89C2051 on-chip comparator and the design of the analog-to-digital conversion main program, and explains the prin...[Details]

1. Transplantation of tvout_app To test the TV output of S3C6410, I took the test in the official tvout_app, which is quite rough and seems to be a very old version. After changing the Makefil...[Details]