The basic principle of true RMS digital voltmeters. Using true RMS (TRMS) digital meters, the RMS voltage of various waveforms can be measured accurately and in real time to meet the needs of modern e...
[i=s]This post was last edited by x1816 on 2016-10-23 21:53[/i] Without further ado, here are the pictures! (The following pictures are all real photos, only reduced in size and other simple processin...
The company recently bought a motherboard as in the title, configuration: 2G memory + 4G SD card. Main frequency 1.6Ghz. We first installed a simplified version of XP, which is obviously a bit overkil...
[i=s]This post was last edited by hjl240 on 2022-5-3 20:21[/i]Preface
About 10 years ago, I saw someone share how to play the bad apple video on the LCD screen using a microcontroller in our EEWORLD f...
Hello everyone:Currently, there are two vacancies available for joining the " Industrial Measurement and Control Terminal DIY" group , one of the projects in the Fujitsu Cortex development board DIY a...
To be honest, Zhou Ligong's TKSTUDIO is really not that good. It's really hard to use and it's a hassle to load and set up programs.
It's very inhumane. If you don't use it for debugging for a while, ...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]