After a long wait, I finally received the express from SF Express. The box was not as heavy as I expected, but SF Express probably did not use force in loading and unloading, so the box was intact.
Ma...
[i=s]This post was last edited by ddllxxrr on 2019-4-11 21:50[/i] I tried the straight line a long time ago, but found it was a diagonal line. I found that I could change it to a straight line by chan...
Wireless systems, including communication, networking and sensing systems, play a vital role in our information age society in many areas such as public services and security, consumer, industrial, sp...
The Power Supply Technology Collection contains 30 representative documents, totaling 530M, all of which can be downloaded with 0 credits. The collection has a one-click download function to facilitat...
On April 18, BiRen Technology and Tsinghua University officially signed the "General Graphics Processing Architecture and Application Innovation Research Project". According to information from BiRen...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly. Variables defined in a C program are put into the .bss area after being compiled into...[Details]
Previous leaks unanimously believed that the Huawei Mate 50 series will be released in July, but just yesterday a digital blogger said that the Mate 50 series will be postponed to August. The nova ...[Details]
Open the plc ladder diagram.
Line 335 performs an addition in each scan cycle, and the result is stored in D2888.
Line 343 is the last two digits of the year, which equals the...[Details]
introduction
Switching mode DC/DC regulators have low heat dissipation on densely packed system circuit boards . However, the rapid switching of currents, poorly defined layouts, placement and ...[Details]
As of 4:00 a.m. on December 18, the ±800 kV UHV Zhongzhou Converter Station, the receiving-end converter station of the Tianzhong DC Project, the first "double 800 UHV DC project" in China and the ...[Details]
According to Reuters, on August 2 local time, US Secretary of State Pompeo said that Trump will soon take action against Chinese software companies that provide data to the Chinese government because...[Details]
Recently, the well-known mobile phone review organization DXOMARK announced the camera scores of Apple iPhone 12 mini, with a photo score of 132 points, a zoom score of 41 points, a video recording s...[Details]
The temperature and humidity sensor I used recently is driven by AM2305 and has a single bus. It takes at least 2 seconds to read the temperature and humidity after power-on. The temperature accuracy...[Details]
1: Sapphire detailed introduction
Sapphire is composed of aluminum oxide
(Al2O3), which is composed of three oxygen atoms and two aluminum atoms bonded in a covalent bond. Its cr...[Details]
It is not a good choice to dim LED lighting fixtures using TRIAC dimmers. The reason why semiconductor suppliers generally launch LED drivers that support TRIAC dimming is not because this dimming ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The reed switch current sensor is a sensor that uses the reed switch principle to measure current. It has the advantages of small size, high precision, fast response speed, strong anti-interference...[Details]
On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]
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