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, ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]