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Now let's make a summary of the problems encountered by those who have just come into contact with single-chip microcomputer driving LCD screens.
1. No display
A: Hardware problem
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The appearance of the transformer clamp ammeter is shown in Figure 1. It is mainly composed of a through-type current transformer and a magnetoelectric rectifier system measurement device, as shown i...[Details]
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Before doing the experiment, you must first understand what DMA is and where the role of DMA lies.
DMA, or direct memory access, is used in the transmission of some data, thereby freeing up the CPU...[Details]
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Touchscreens
are a type of display device that can detect the presence and location of touch, allowing users to interact with the device directly through the device screen, rather than ...[Details]
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Foreign media cnet reported today that Motorola said: Motorola Razr 5G can withstand nearly 200,000 times, which means that if each user opens and closes it 100 times a day, it can be used for ...[Details]
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1. Introduction to the principle of digital adjustable voltage regulated power supply 1. Solution analysis and selection Solution 1: The numerical control part uses a single-chip microcomputer to dri...[Details]
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Overview The 51 single-chip simple calculator with LCD display can realize the addition, subtraction, multiplication and division of two numbers in the range of 0 to 255. The subtraction can display ...[Details]
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Compare the five mainstream industrial Ethernet protocols (Ethernet/IP, PROFINET, POWERLINK, EtherCAT, SERCOSIII) based on technology, real-time, standardization status and market strategic conside...[Details]
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1. Appearance inspection The appearance of the loop resistance tester and DC resistance quick tester should be intact, the various adjustment knobs and key switches should be flexible and reliable, a...[Details]
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High-performance, scalable e-mobility modules and other silicon carbide (SiC) semiconductors bring significant efficiency improvements to electric vehicle (EV) powertrains. Driven by national and g...[Details]
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According to IT media reports, Xiaomi recently confirmed that it will enter the Japanese market. The official has not yet officially announced the time of entering the Japanese market and the launch ...[Details]
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According to the characteristics of electromagnetic flowmeter transmitter, the converter must have the following performance. 1. Stable linear amplification The electromagnetic flowmeter must have ...[Details]
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According to General Motors' latest full-year financial report, its net profit in 2019 reached $6.7 billion. After accounting for the $3.6 billion loss caused by the strike, the adjusted EBITDA was...[Details]
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1 Introduction
As a sustainable clean energy, solar energy is increasingly valued by countries around the world. In Tibet, where the land is vast and the population is sparse, solar photov...[Details]
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This section describes interrupt handling for the ATmega128. For more general AVR interrupt handling, see “Reset and Interrupt Handling” on page 12. Notes: 1. When the fuse bit BOOTRST is programme...[Details]