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The 12v power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It is a very common specification. It is generally composed of components ...[Details]
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1 Introduction
A phase-locked loop (PLL) is a closed-loop automatic control system that can track the phase of an input signal. It consists of four basic components: a phase detector (PD), a loop...[Details]
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1. Make the LCD display full of red
We want to display data on the LCD. The steps required are as follows:
a. Initialize LCD
b. Enable LCD
c. Get LCD parameters: fb_base, ...[Details]
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"The 'new infrastructure' comes at the right time. With the trend of 'new infrastructure', the information industry has ushered in good opportunities. Urban cloud is indispensable and can play a big ...[Details]
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TL431 has a special dynamic impedance and is a more precise controllable voltage source. In the circuit, TL431 is also used as a parallel voltage regulator circuit. Of course, the use method is not...[Details]
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1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a st...[Details]
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When using C language, you must use a C compiler to compile the written C program into machine code so that the microcontroller can execute the written program. KEIL uVISION2 is one of the...[Details]
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1. Detection method for LED display maintenance 1. Short circuit detection method: adjust the multimeter to the short circuit detection position (usually with an alarm function, such as a beep ...[Details]
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Overview
In order to solve the problem of always forgetting to turn off the air conditioner in the dormitory, an intelligent air conditioner manager was designed based on HMI-Board, which can ...[Details]
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Development board: JZ2440V3 U-Boot version: u-boot-2012.04.01 1. First download the source code, upload it to the server, and decompress it. tar -jxvf u-boot-2012.04.01.tar.bz2 2. Create a ne...[Details]
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The 104HT series is suitable for a variety of applications that require high temperature resistance, including electric vehicles, solar energy, high voltage instruments, IC testers, etc. July 19, 2...[Details]
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As the saying goes, if you lose something in one place, you may gain something in another. Despite the ban on businesses such as chips and smartphones, Huawei's Habour Investment has received substan...[Details]
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The tight supply of automotive chips has caused some "headaches" for global automakers. Recently, many automakers such as Ford and Toyota have publicly stated that they will adjust production capac...[Details]
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After several days of sleepless work, combined with our teacher's methods and online information, plus my own continuous learning, thinking, and modification, I finally succeeded in making the digital...[Details]
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This review is provided by the excellent reviewer "eefocus_3914144" of eefocus.com.
This article will introduce the test of the OpenCV-based face detection solution based on the Mir ...[Details]
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