[align=left]Everyone has played with sand in their childhood, but the new generation of children can not only play with sand, but also race in the sand castles they built themselves (through 3D scanni...
What is the effect of the various capacitances of mosfet, ciss, coss, crss, coer, cotr, on the device parameters (static, dynamic)? Are there any parameters that can be calculated using the capacitanc...
About Wi-Fi operation:1. Turn on Wi-Fi2. Turn off Wi-Fi3. Get the WiFi network card status
Add three buttons to activity_main.xml
public class MainActivity extends ActionBarActivity
{@Overrideprotecte...
[size=4]The circuit is shown in the figure below. The circuit consists of three parts: rectifier filter capacitor, high-frequency oscillation circuit and output load circuit. [/size] [size=4] [/size] ...
Source: Kanchai.com
Friends who have observed electronic products will find that some products use mAh to mark the battery size, while some products use Wh or even kWh to indicate the battery size. Wh...
Preface: I recently read a viewpoint that the economic crisis in 1929 was caused by changes in the mode of production, the large-scale replacement of manual labor by machinery, the large-scale rise o...[Details]
In 2019, in the smartphone industry, an open and covert struggle over the "periscope lens" is intensifying. This will be another round of smartphone technology wars following the "full-screen war" an...[Details]
When I first started learning 89C51 microcontrollers, I used keil4 as the development environment, and later upgraded to keil5. Now I am preparing to learn STM32, and the STM32 development environmen...[Details]
Low Voltage AC Lighting System
Low voltage AC lighting has become increasingly popular over the past 30 years. Today, these lighting systems can be found in everything from indoor spot...[Details]
From July 21 to 23, 2019, the first meeting of the first council of the Mechanical Industry Intelligent Detection Technology Vocational Education Group was held in Qingdao, under the guidance of the ...[Details]
The negative electrode of a lithium-ion battery is made of a mixture of negative electrode active carbon material or non-carbon material, adhesive and additives, which is evenly applied to both sides...[Details]
The wind direction in the field of new energy vehicle power batteries is undergoing major changes, and traditional lithium iron phosphate batteries and ternary lithium batteries will face challenges....[Details]
01 Introduction
In previous sharing, we introduced some contents of network security related technologies in vehicle communication, including E2E and SecOC, etc., but these technologies are usu...[Details]
The microprocessor runs at a certain operating frequency. In order for the microprocessor to work properly, a clock signal must be provided to it. The
clock signal of the microprocessor system is...[Details]
Effect video This is the main interface This is the main menu interface This is the sub-interface for setting time This is for setting date Setting background light This is after setting the...[Details]
On August 7, the iQOO 5 Weibo launch conference is underway. Today, the official unveiled the audio part of iQOO 5: high-fidelity Hi-Fi chip + dual speakers. According to the official intr...[Details]
Xingxing Technology received an annual report inquiry letter from the GEM Company Management Department. The relevant departments inquired about the reasons and rationality of the company's sharp dec...[Details]
Abstract: This paper introduces the software and hardware implementation methods of the stand-alone multimedia monitoring system and the functions of the system. It focuses on describing the mod...[Details]
CAN bus (Controller Area Network) is a local area network based on broadcast technology, which is widely used in automobiles, industrial automation, medical equipment and other fields. However, in ...[Details]
Analog electronics
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