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A portable electric meter specially used to check and measure the insulation resistance of equipment and lines. The insulation performance of electrical equipment is related to the normal use of elec...[Details]
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/****************************************************** **** 007.ASM Wiring: P0 port connects to digital tube and P2 port connects to matrix keyboard. Use timer interrupt. I...[Details]
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Protel DXP is the first board-level design system that integrates all design tools. Electronic designers can implement their own design methods from the initial project module planning to the final p...[Details]
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Reference: http://download.csdn.net/detail/my_friend_ship/4166970 Key points: Before writing data into the flash, you must erase it each time, otherwise the writing will fail and the error status w...[Details]
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Apple has launched its first design and development accelerator in China. According to Apple, the accelerator will provide Chinese developers with the opportunity to work with Apple expert...[Details]
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On August 1, Qualcomm released its third quarter financial report for fiscal year 2019. According to Phoenix Technology, Qualcomm CEO Steve Mollenkopf said that due to Huawei's rapid development in t...[Details]
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Both voltmeter and oscilloscope are commonly used display instruments. They have the advantages of stable performance, easy maintenance, flexible use, and high reliability. What is the difference betw...[Details]
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Recently, the first robot industry blue book "China Robot Industry Development Report (2019)" was first released online. The report shows that the average growth rate of China's robot market from 201...[Details]
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Tianyancha shows that on January 27, Hangzhou Ruimeng Technology Co., Ltd. (hereinafter referred to as "Ruimeng Technology") underwent industrial and commercial changes, and added Guangdong Midea Int...[Details]
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According to Yonhap News Agency, a US official said that the US government is urging South Korean operator LG Uplus and other telecom operators that use Huawei products to switch to "trusted supplier...[Details]
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On August 17, Aojie Technology (Shanghai) Co., Ltd. completed the industrial and commercial registration for the establishment of a joint-stock company, and has since been renamed "Aojie Technology C...[Details]
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Keysight Technologies, Inc., a leading technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, announced today that it has ...[Details]
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Program function:
Use the timer to generate a stopwatch that changes from 0 to 99 seconds and displays it on the digital tube.
Every second, the changing number is written ...[Details]
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The working principle of the circuit is briefly described as follows: Transistor VT1 is a switching power supply tube, which forms a self-excited oscillation circuit with T1, R1, R3, C2, etc. A...[Details]
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According to relevant media reports, Apple was first exposed to be secretly developing a smart watch. Soon after, Google showed smart glasses with cameras. People can check emails and chat with fr...[Details]