As shown in the figure above, the power supply of LM334 is 24V, an LED is connected in between, and a 106 tantalum capacitor and a 1M resistor are connected behind it. After powering on, the LED is fo...
In the manual of 12864, when the EN enable control terminal is high, it is used to read data or instructions with R. In the busy judgment instruction, it is required that when EN=0, RS=0, RW=1. (RS is...
Recently, plastic heat sinks have also attracted people's attention. It stands to reason that materials with good thermal conductivity are usually materials with good electrical conductivity. Converse...
Added an IWebBrowser2 control. According to the expert article, add the following header file to stdafx.h: #undef __urlmon_h__ #include#undef _WINNETWK_ #include#undef __AFXHTML_H__ #include "afxhtml....
The second live broadcast of RIGOL's "E-sports Veterans Talk" series of e-sports tutoring will be launched at 13:00 on March 22, 2020 ! We will invite professional e-sports tutoring experts and RIGOL ...
It has not been powered on since I bought it. It is brand new and has never been used. It is a waste to keep it here. I'd better leave it to someone who can use it. Exchange it for some cash. [backcol...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]