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Touch screen driver name:
dev/mounse0 Let's look at /proc/devices
# cat /proc/devices
Character devices:
……
6 lp
7 vcs
10 misc
13 input
29 fb
90 mtd
……
Check the touch screen: ...[Details]
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When encountering complex waveforms, the waveform often flickers and the display is unstable. In the waveform shown in Figure 2.1, there are three rising edges in one waveform cycle. At this time, if...[Details]
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A host of new technologies will usher in digital transformation in 2020. The latest insights report from the Strategy Analytics User Experience Innovation research team identifies the most noteworthy...[Details]
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1. Reasons for increased torque
It is very important to set the torque boost function. The most widely used power inverter is the variable frequency control mode. When the power frequency of t...[Details]
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The digital economy is an important strategic initiative. Gartner predicts that by 2025, 60% of large organizations will adopt one or more privacy-enhancing computing technologies in the fields of an...[Details]
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1. LCD schematic diagram
The figure below is a schematic diagram of LCD, each dot in it is a pixel.
It has an electron gun inside, which emits light of various colors as...[Details]
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Pfeiffer Vacuum has received an important order from the Technical University of Darmstadt in Germany to deliver a DREEBIT ion beam system to the university for use in its Institute of Nuclear Physic...[Details]
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Background
There is a lot of ambient energy around us, and the traditional method of energy harvesting has been through solar panels and wind turbines. However, new energy harvesting tools a...[Details]
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A single-chip microcomputer logic circuit question requires you to write a program to implement the logical function of the following logic circuit. Logic diagram: Reward points: 20 | Solved time:...[Details]
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Performance indicators: 1. Power 800W adjustable. 2. IGBT post-stage, strong adaptability. 3. The two output modes of single pulse and multi-pulse (mixing, ultrasonic) can be switched through softwa...[Details]
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The anti-interference dielectric loss tester is an advanced instrument for measuring dielectric loss (tgδ) and capacitor capacity (Cx). It is used to measure dielectric loss (tgδ) and capacitor capac...[Details]
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Today, Apple pushed the official version of the 15.5.1 software update to HomePod and HomePod mini users. This update is only one week after the release of HomePod 15.5. Users can update the...[Details]
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Molex and Salvagnini Collaborate to Create a Fast Track to Industry 4.0 and Drive Smarter, More Efficient Factories
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Leveraging proven experience in Industrial Eth...[Details]
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The source program is mainly written with these basic instructions to achieve your control tasks. However, in order to increase the readability and maintainability of the source program, we introdu...[Details]
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introduction
With the development of power electronics technology. Green, efficient, intelligent and stable power supply systems have become the mainstream and trend of the development...[Details]
Analog electronics
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