Recently, I came across a course about calculating the error of the output voltage caused by the input offset voltage and input bias current of an op amp. The information I found on Baidu was scattere...
1. Can one ZLL remote control control three ZLL lights at the same time? 2. If it can control three lights at the same time, how are they connected? Are they all in the same network? How can the remot...
Choosing the right capacitor type, power inductor, switching frequency, and semiconductors is critical to the efficiency of a DC/DC switching power supply controller. Making the right choice is not ea...
[size=4][color=#000000][backcolor=white]1. Interference between digital circuit modules and analog circuit modules[/backcolor][/color][/size] [size=4][color=#000000][backcolor=white] [/backcolor][/col...
The problem of "fragmentation" of Internet of Things (IoT) products not only causes headaches for consumers and developers, but also hinders the further development of home smart hardware products. At...
Problem Description Sometimes when measuring a signal with an oscilloscope, even if the trigger level is adjusted to the middle of the signal, the waveform (trigger) will still shake. The following...[Details]
The sound waves of bone conduction headphones do not pass through the outer ear and middle ear, but directly transmit the sound to the inner ear through the vibration of the skull and jaw, causing th...[Details]
FPS Signal and Spectrum Analyzer The R&S®FPS is a fast and compact signal and spectrum analyzer designed for users who demand performance. In production and monitoring systems, it only requires 2 HU ...[Details]
1. System Overview
The elevator industry is a special industry. The country has detailed national standards for the design, manufacture, installation and use of elevators. The main parts of ...[Details]
Under the guidance of the China Electronics Society and with the support of the Shanghai Electronics Society, the launch ceremony of the New Future - Core Flying 2019 Arm Future Core Internatio...[Details]
Radar level meter is a measuring instrument based on the time-travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic com...[Details]
This is the display program of 12232F using serial port. This program can display any character at any position by calling functions. It is for your reference.
/* The first line starts at address 0x...[Details]
Nidec Precision Testing Technology Co., Ltd. will participate in
the international exhibition "PCIM (Power Conversion Intelligent Motion) Asia 2024" focusing on the Asian power electronics indu...[Details]
Previously, Samsung's Galaxy Z Flip 2 foldable phone was scheduled to be released in the spring of next year, but it will not be released together with the next-generation S series flagship Gal...[Details]
Pulse oximeters measure arterial oxygen saturation by sensing the absorption properties of deoxygenated and oxyhemoglobin using different wavelengths of light. Basic meters consist of sensors placed o...[Details]
On April 6, according to TechCrunch, Apple seems to be testing a new feature that will allow developers to automatically charge users when the price of App subscriptions increases. Right...[Details]
According to foreign media reports, a research team led by Professor Ma Cheng from the University of Science and Technology of China, a university directly affiliated with the Chinese Academy of Scie...[Details]
According to data from the China Industrial Research Institute and the National Bureau of Statistics of China, by the end of 2019, the number of elevators in China had reached 7.451 million. Such a l...[Details]
Samsung Electronics said on Wednesday it plans to adjust mobile phone production at its factory in Huizhou, China, due to growing competition within the Chinese market, Reuters reported. Samsung's ...[Details]
As the basis of power batteries, new energy vehicle cells determine the performance of the entire battery system, whether in terms of structural form such as cylindrical, square shell, soft pack, o...[Details]