I have a UPS at home. I just replaced the battery and plan to use it with a fish tank for uninterrupted oxygen supply. Everything is normal when connected to the mains, but when the UPS is powered, th...
[i=s]This post was last edited by lb8820265 on 2022-1-30 11:55[/i]After struggling for a long time on how to accurately control the wheel speed, I finally decided to use open-loop control without cali...
[Raspberry Pi 4B Review] Install Libreelec system on Raspberry Pi 4 and install plug-ins to watch IPTV live broadcastLibreelec is simply a Linux that meets the minimum requirements for Kodi . Libreele...
The emergence of sensors is not surprising. It has brought convenience to people's lives, so the principles and structures of sensors vary greatly. If something is measured by a sensor and it is inacc...
Author: Huang Gang, a member of Yibo Technology Expressway MediaTwo members of Mr. High Speed conducted impedance tests on the processed PCB board. The impedances they tested were very different. Can ...
There are many common simulation software, but for switching power supplies, because of the higher requirements for parameters, simple simulation models often cannot get correct results, and even the ...
Many PT2262 software decoding programs use timers to measure pulse width. They take up too many system resources. My own program does not use timers or interrupts, and has the least code. Bu...[Details]
The main converter circuit of the multi-MCU DC power supply control system is a three-phase bridge-type fully controlled rectifier circuit . The primary-side control and protection devices of the r...[Details]
1. Introduction
Power factor correction is to shape the input current of the power supply into a sine wave and synchronize it with the power supply voltage to maximize the actual p...[Details]
1. Before using the multimeter, you should perform "mechanical zero adjustment"; 2. During the measurement process, do not touch the metal part of the test lead with your hands to ensure both accu...[Details]
San Jose, California, USA, February 15, 2022 – Power Integrations (Nasdaq: POWI), a well-known company in the field of high-efficiency power conversion with high-voltage integrated circuits, today re...[Details]
Recently, Xinlai Materials said in an institutional survey that at present, the company's semiconductor industry mainly involves IC, LED, LCD and photovoltaic. It is mainly used in equipment and fact...[Details]
1. How long is the life of a speaker? This is a question that many people are concerned about. Under normal use, it should be said that 15 years is absolutely no problem. If it is well maintained, ...[Details]
April 14, 2021, Shanghai, China - Changdian Technology has appointed Mr. Lin Jingming as the company's senior vice president, fully responsible for global sales business, reporting directly to Chief ...[Details]
Divided into three parts:
1 First: // Note the difference between C and C++
In C, to define a structure type, you need to use typedef:
typedef struct Student
{
int a;
}Stu;...[Details]
According to Korean media reports, Samsung Electronics announced the research results of high-bandwidth memory (HBM)-memory processing (PIM) and low-power double data rate (LPDDR)-PIM at this year's ...[Details]
With the rapid increase of railway speed and the development of high-speed railway, the continuous increase of traffic density, load and speed has accelerated the damage of rails. During the use of r...[Details]
Liang Hua pointed out that objectively speaking, the difficulties faced in the second half of this year and next year are still relatively large, requiring a lot of investment, which may have a certa...[Details]
A variable resistor can compensate for a regulator's temperature drift if it incorporates a programmable temperature-indexed lookup table. In this case, the lookup table changes its resistance ev...[Details]
On October 23, 2024, Huabao New Energy's sub-brand Dianxiaoer officially released the solar charging outdoor power supply (SG) corporate standard, marking an important step in the standardization p...[Details]