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8255 is a microcomputer parallel programmable I/O port expansion chip.
The procedure is as follows:
ORG 0000H
AJMP MAIN
ORG 0100H
MAIN: MOV SP,#030H
MOV P0,#00H
MOV R0,#07BH ;Cont...[Details]
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1. Overview of infrared thermometers Infrared thermometer technology plays an important role in product quality control and monitoring, online equipment fault diagnosis and safety protection, and ene...[Details]
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The variable frequency speed regulation principle is based on n= 60f1*(1-s)/p, that is, changing the stator power supply frequency f1 can change the synchronous speed n of the motor. In order to ke...[Details]
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Driven by multiple demands such as accelerated insight capabilities, the new margin test solution reshapes PCIe testing
By: Michael Seaholm, Product Manager for High-Performanc...[Details]
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my country's textile industry has a long history. After joining the WTO, China has become the world's largest textile producer, which has brought a wide space for the development of the embroidery in...[Details]
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With the continuous development of urban transportation technology, while people enjoy the efficient and convenient way of highway, the traffic accident rate caused by it is also increasing. Among ...[Details]
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For new construction projects, please refer to the previous two posts. There are two ways to use interrupts. The first one is more general. Almost every pin can be interrupted, but it is accurate t...[Details]
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In order to continuously meet the rapid growth of artificial intelligence and machine learning needs, computing power is growing rapidly, and the amount of data is also growing rapidly. Nowadays, t...[Details]
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A Huawei 5G digital mobile phone with model number WKG-AN00 has now passed 3C certification and comes with a 10W charger. The 3C certification shows that the applicant and manufacturer of ...[Details]
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Now that you've seen how digital power makes rails work together as a "team" and how software tools enable configuration and debugging, it's time to step back and look at how digital power fits into a...[Details]
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Against the backdrop of the rapid development of smart audio technology, Awinic, with its extraordinary innovation capabilities, has launched the AW85825 and AW85828 series of Digital Smart K Plus ...[Details]
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According to foreign media Android Central, the OnePlus 8T, codenamed kebab, will be equipped with Qualcomm Snapdragon 865 Plus processor. Compared with the Snapdragon 865 in the OnePlus 8 se...[Details]
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Does everyone know their shoe size accurately? You may think you know it, but it is very likely that under different brands of workmanship, the shoes you buy after using fixed standards are not exac...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Electric vehicles (EVs) are the future of mobility, but the biggest barriers to mass consumer adoption are range anxiety and price. While using a larger battery would be the obvious solution to inc...[Details]
DSP and ARM Processors
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