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On June 14, the reform of the ChiNext board ushered in new progress. Starting tomorrow, the Shenzhen Stock Exchange will begin to accept applications for initial public offerings, refinancing, merger...[Details]
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The divider is a basic module in the field of electronic technology and is widely used in electronic circuit design. At present, there are two ways to implement the divider: hardware implementation...[Details]
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0 Introduction
The modern grain storage system has put forward higher requirements for the safety of grain. In the process of grain storage management, humidity and temperature are two important con...[Details]
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At 00:39 on April 1, with the normal closure of the 500 kV Jiangling-Echeng DC bipolar system, State Grid Hunan Power started the 15-day annual maintenance of the cross-provincial Jiangcheng DC lin...[Details]
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How to test the motor with a DC resistance tester
The method of using a DC resistance tester to measure a motor is as follows:
1. Preparation: Make sure the motor is stopped, disconnect t...[Details]
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The process of microcontroller learning summarized by experts can basically be divided into four stages: The first stage First, read the hardware section in the textbook to get a general under...[Details]
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A few years ago, you would have been forgiven for thinking that the idea of a vehicle being able to “see” the road ahead and assist the driver in an emergency was nothing more than science fiction....[Details]
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The display is an important interface for humans to communicate with application equipment. In recent years, with the rapid development of electronic technology, liquid crystal display technology h...[Details]
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I. Introduction IGBT (Insulated Gate Bipolar Transistor), also known as insulated gate bipolar transistor, is a composite fully controlled voltage-driven power semiconductor device composed of BJT (b...[Details]
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The lead screw stepper motor is a motor that integrates the stepper motor and the lead screw into one, omitting the separate assembly of the lead screw and the stepper motor, and can achieve a moto...[Details]
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In a switching power supply , the switch-off and switch-on time of the switch tube affects the working efficiency of the switching power supply, and some parameters of the MOS tube play a decisive ...[Details]
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0 Introduction
The boot loader of an embedded system is composed of the Boot Loader and the Boot code (optional) solidified in the firmware. Its role and function are like a ROM chip program BI...[Details]
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So few people care about Android 11 this year. Indeed, compared with iOS 14, Android 11 as a new system is not discussed much on social media such as Weibo. This is because iOS 14 has a big c...[Details]
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Sina Mobile News: On the morning of September 10, OPPO officially launched the new Reno series mobile phone in Shanghai - OPPO Reno 2. The phone is equipped with Qualcomm Snapdragon 730G proces...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]
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