Source: I made a DIY audio cable conversion plug as shown in the picture. With this thing, a 6.5 plug microphone can be used on the computer. If the socket is changed to a dual-channel one, you can al...
The development trend of communication receivers is that they must sample the signal as soon as it enters the receiver signal channel and be equipped with accurate testers. To achieve this goal, ultra...
[color=#222222][font="] The segment code LCD screen is a customized product, in which: size, material, voltage, bias, viewing angle, operating temperature and other parameters are fixed before the mol...
The volume of the chassis directly affects the expandability and heat dissipation of the accessories inside the chassis. In addition, the increasingly scarce desktop space has further compressed the s...
"Electromagnetic Compatibility of Independent Power Systems and Their Power Electronic Devices" summarizes the author's research results on electromagnetic compatibility of independent power systems o...
There are two ways to compile Linux drivers: one is to compile directly into the kernel, and the other is to compile into a module. Compiling into the kernel is very simple, but to compile the driver ...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
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