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Main components: 89C52RC, 74HL138, two four-digit digital tubes, three independent buttons, flat cable, DuPont cable
Principle: Use the timer counter to set the timer to 50ms, and generate an interru...[Details]
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China Energy Storage Network News
: On December 12, the Yinchuan Urban Energy Internet Comprehensive Demonstration Project of State Grid Ningxia Electric Power Co., Ltd. - the 110 kV Fengdeng...[Details]
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Xiaomi is still too young, only twelve years old, but its brand image in the first ten years was mainly about cost-effectiveness. Now it is really difficult to expect its brand image to change and be...[Details]
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7 operation modes of S3C2440 based on ARM920T 1、User (usr): The normal ARM program execution state 2、 FIQ (fiq): Designed to support a data transfer or channel process 3、 IRQ (irq): Used for general-...[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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ON Semiconductor recently issued a price increase notice to its customers and distributors, and the price increase date for some products is scheduled for July 10 this year. In the notice, ON Semicon...[Details]
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At the request of President Trump, Apple wants to move its production lines back to the United States, and for this purpose, Apple has been weighing the pros and cons. In June this year, Apple offi...[Details]
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1
Introduction
Speech recognition technology is a technology that allows machines to convert speech signals into corresponding text or commands through recognition and understand...[Details]
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Today, Apple officially launched the newly designed Mac Pro at WWDC 2019. Although it is a brand new design, the 2019 Mac Pro is also a return to Apple's classic "cheese grater" appearance. The inter...[Details]
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In the past eight days of the National Day Golden Week, 826 million people traveled, among which driving has become the most basic way of travel for people. The debate over the advantages and disadva...[Details]
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Vivo announced today that its spring new product launch conference will be held on April 11, when it is expected to launch three models: vivo X Fold, vivo X Note and vivo Pad. The X80 series m...[Details]
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Written at the beginning: Interrupt is one of the very important functions of all microprocessors including single-chip microcomputers. Beginners of single-chip microcomputers must have this knowledg...[Details]
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1 Introduction
With the construction and development of communication networks, a large number of outdoor base stations and outdoor communication equipment have emerged to solve the problem of netw...[Details]
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LDR can only jump within the 4KB range of the current PC
B can only jump within the 32M range of the current PC.
The label is actually an address
, eg:
legitimate:
ldr r1,
ldr r1, ;...[Details]
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China Energy Storage Network:
As a booming emerging industry, energy Internet is one of the most active directions of research and innovation in the current energy field and has received wide...[Details]
Analog electronics
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