Electromagnetic flowmeters can generally operate normally for a long time without maintenance after installation, and then require maintenance and daily inspection. Failure to receive signals or weak ...
Every time I enter the forum, I receive a bunch of messages, all about various activities. The key is that I don't participate in activities, and the messages are too annoying. I followed the prompt t...
Netizen EddyLau recently made several interesting small programs based on mini2440+Qtopia-2.2.0 (video address: [url]http://www.youku.com/playlist_show/id_4019326.html[/url]) and put forward his own v...
[i=s]This post was last edited by dcexpert on 2015-11-5 00:22[/i] The USB-OTG cable I ordered from Taobao today finally arrived, and I can do the following tests. Although there is a TF card holder on...
To write data to sdram, initialize the global control registers Chip select space registers x_1, x_2, x_3 SDRAM control registers 1, 2 ………………Is it true that we just need to control these registers? ? ...
The computer has 1MB of memory, which is addressed by bytes. The address register needs at least __ bits of binary. Solution: 1MB = 1024 * 1024B = 2^20, so 20 bits are needed. I think the question use...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
Test/Measurement
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