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Use the parallel port P1 of AT89S51 to connect a 4×4 matrix keyboard, with P3.0-P3.3 as input lines and P3.4-P3.7 as output lines; the digital keys "0-9" are displayed on the digital tube, and the ot...[Details]
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Today we checked on Tianyancha and found that Smartisan Technology (Shanghai) Co., Ltd., which is wholly owned by Smartisan Technology (Beijing) Co., Ltd., had been cancelled on August 12, 2019. The ...[Details]
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Jiwei.com reported on December 2 that today, realme officially announced a new flagship series, code-named "Race", which will be the first to be equipped with Qualcomm Snapdragon 888. The new realm...[Details]
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The variable frequency power analyzer is a kind of measuring instrument that is often used in industrial production. The variable frequency power analyzer refers to an instrument/device that takes va...[Details]
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Taking advantage of the intelligent program control feature of the single-chip microcomputer, a "diode characteristic tester" based on the STC89C52 single-chip microcomputer is designed to quickly tes...[Details]
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The module is a low parasitic inductance module developed specifically for compact full-bridge output uninterruptible power supplies. Unlike the traditional IGBT half-bridge module design that uses t...[Details]
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The first China International Smart Terminal Industry Development Conference was held in Yibin, Sichuan. This was the first time that five major associations, including the China Communications Assoc...[Details]
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Fiber optic connectors are the most widely used optical passive devices in fiber optic communication networks, and their core components are fiber optic pins. An important process in the manufactur...[Details]
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Zoss Automotive Research Institute released the "2020 Smart Road Roadside Intelligent Perception Industry Research Report", analyzing and studying the industry support policies, industry chain techn...[Details]
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1 Overview
The exterior rearview mirror is one of the important devices for active safety of automobiles. It is a tool for drivers to obtain information about the external environment such...[Details]
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The vehicle control unit (VCU) of a fuel cell electric vehicle is the core control component of the entire vehicle. It collects signals from the accelerator pedal, brake pedal and other components,...[Details]
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This big thing used to launch manned spacecraft is truly a "high-end" product. Its difficult design and manufacturing have condensed the efforts of many people for many years. Practicality and impetuo...[Details]
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Combining modern information technology with the power grid, installing small and micro smart sensors on the power grid, and displaying all aspects of the power system, including transparent power ...[Details]
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I wrote this article today not because I have already thought of an article, but because I want to write this article as a note and keep updating it. When developing a single-chip microcomputer, ther...[Details]
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Last time I looked at the data area, this time I want to see what is running when jumping from the boot to here.
/*
* The reset code that is actually running. The code that runs from the be...[Details]
Microcontroller MCU
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