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According to Macrumors, Apple explored a version with a central rear camera before the release of the third-generation iPod touch in September 2009, but the design was ultimately not adopted. ...[Details]
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Abstract: Based on the optical principle of measuring the vertex power (d) of eyeglass lenses by a focal meter, this paper analyzes the source of measurement error and gives a correction method. Sinc...[Details]
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Nowadays, many valve products are in use. Some valves are used outdoors. The protection level of outdoor valve products is required to reach a certain level so that they can withstand some harsh exte...[Details]
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TSMC and Samsung are competing fiercely in advanced processes, and it is not uncommon for them to snatch each other's customers. According to research data from research institutions, this year and n...[Details]
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On May 8, the Ningxia Hui Autonomous Region Development and Reform Commission once again solicited opinions on the "Notice on Accelerating the Healthy and Orderly Development of Energy Storage in t...[Details]
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According to reports on October 27, based on reports from CNBC, Reuters and others, on Thursday local time, British Prime Minister Sunak announced plans to establish the world’s first AI security in...[Details]
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#include
#define uint unsigned int
sbit bb=P3^5; //bit definition buzzer interface
sbit led1=P0^0; //bit definition LED interface
unsigned int i=0;
void de...[Details]
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Tesla (TSLA.US) said on Tuesday that it had signed a 2020 pricing agreement with Panasonic on June 10, 2020, which involves Panasonic's production and supply of lithium-ion batteries at its Nevada Su...[Details]
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The VxWorks operating system has attracted much attention in embedded systems due to its high reliability, excellent real-time performance, flexible scalability and other advantages, and is widely us...[Details]
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When transmitting data, have you ever considered encrypting the data for transmission? If the data to be transmitted is encrypted in the serial port or wireless, wouldn't it increase the security o...[Details]
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Recently, more than 4,000 energy storage batteries were neatly placed in the warehouse of Anhui Woboyuan Technology Co., Ltd. in Hangbu Economic Development Zone, Shucheng County. Customs officers fro...[Details]
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The new R&S FSW85 is the only high-end signal and spectrum analyzer on the market that covers a single-sweep frequency range of 2 Hz to 85 GHz. This allows users to test baseband and RF signals with a...[Details]
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1.Hardware interface circuit The figure below shows the circuit diagram of AT89S51 microcontroller extended by an 82C55. In the figure, 74LS373 is the address latch. P0.1 and P0.0 are connected to th...[Details]
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introduction Power supply design and control are one of the necessary parts of electronic design. Power supply stability is the premise for the normal operation of most devices in the system. Traditi...[Details]
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Independent filter inductor two-way output forward converter circuit diagram
Independent filter inductor two-way output forward converter circuit diagram
Figure 1 shows the transformer and out...[Details]
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