How to understand the alarm performance of 14 or more half-cycles of arc faults in 1s in GB14287.4 "Electrical Fire Monitoring System Part 4: Arc Fault Detector"? How to understand the alarm performan...
Live broadcast time: November 19, 10:00-11:30Live broadcast topic: New requirements for connectors in 5G multi-scenario terminal applications and Molex's 5G connection solutionsSpeech document: Click ...
[i=s]This post was last edited by qwqwqw2088 on 2019-11-1 11:44[/i]In factory automation applications, due to the increasing number of on-site device nodes and the increasing requirements for automati...
Several power supplies are used in the same room, including a Xinma Gold 500w, a Maexs Gold 500w, and several Great Wall Huntkey 350w power supplies. Symptoms: The original power supplies were very qu...
The book "Analog Integrated Circuit Design and Simulation" focuses on single-stage amplifiers, operational amplifiers and analog-to-digital converters, introducing the basic concepts, working principl...
Apple officially launched the second-generation iPhone SE last year. The phone is equipped with the same A13 processor as the top-end iPhone 11 model, and has extremely powerful performance. H...[Details]
hardware design 8-key simulation diagram: plan: 7-key simulation diagram: 7 buttons represent 7 notes, and another button plays a song programming /*********************************************...[Details]
1. Introduction to OLED display panels
Take the QG-2864TMBEG01 OLED as an example, it supports three control methods: Parallel/i2c/SPI. Here we only use SPI control. See the attachment f...[Details]
Can signals at multi-gigahertz frequencies be captured and detected with high fidelity?
If you are testing multi-gigahertz signals, then choosing the right test probes and ensuring that your printe...[Details]
The core of the DCS control system print management system is the print management software, which is installed on an ordinary PC and runs on the WINDOWS platform. To ensure data security, RAID techn...[Details]
Features of semiconductor discharge tube : precise on-state voltage, fast response speed (less than 1ns), strong surge absorption capacity, low capacitance, bidirectional symmetry, high reliability...[Details]
This paper mainly studies the design of the hardware structure and software structure of smart watches, and studies the design of Android mobile phone APP. The hardware and software functions of the ...[Details]
Whenever a circuit board fails to operate normally and the circuit is found to be fine after inspection, it is very likely that a component is broken. If you want to repair it, you must find the prob...[Details]
The circuit in this example can be used to measure the attack and recovery times of photoresistor-type optocouplers (Figure 1). These optocouplers are commonly used in audio compressors or volume c...[Details]
A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain law of change. A potentiometer is usually composed of a resistor body an...[Details]
To use 51 single-chip microcomputer to realize the running light operation I think is the first hands-on experiment for every beginner to learn single-chip microcomputer and understand embedded syste...[Details]
The degradation of battery performance is a natural result of use and aging, but it is also accelerated by lack of maintenance, harsh operating environments, and poor charging practices. The follow...[Details]
Keysight Technologies and ElringKlinger have signed a collaboration agreement in the field of electric vehicle battery development. ElringKlinger will use Keysight's Scienlab battery test systems to ...[Details]
1. Overview
CNC (Computer Numerical Control) machine tools are automated machine tools controlled by computer programs and are widely used in metal processing, mold manufacturing and other fie...[Details]
Test/Measurement
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