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From the figure, we can draw the conclusion: AC-AC: positive and negative are not connected. Positive-negative: negative to positive is connected, but positive to negative is not connected. AC-positi...[Details]
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Power line carrier (PLC) communication is a unique communication method for power systems and is widely used in dispatching communication, production command, administrative business communication and...[Details]
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The US media "The Information" reported on Monday (13th) that Google has made progress in data center chip research and development and is expected to start using new chips in 2025. Google's server ...[Details]
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Contents The invention relates to the field of magnetic flowmeters, in particular to a high-voltage wafer-type magnetic flowmeter. Background of the Invention Industrial process control systems are...[Details]
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On December 12, Japan's Yomiuri Shimbun quoted several government officials as saying that the Japanese government will set up a Cabinet Office department to focus on issues related to supply chain...[Details]
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Since I started working in electronic technology, I have used three oscilloscopes. Fortunately, these three oscilloscopes belong to the third generation of oscilloscopes. Compared with the older gener...[Details]
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For an IT leader, being asked to deliver more work faster while facing a declining budget can be suffocating. To cope with these daunting tasks, shifting the focus from "projects" to "products" can...[Details]
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As shown in the figure, this is a fast online test circuit for diodes and transistors based on 556. The tester consists of a multivibrator and a monostable trigger, light-emitting diodes LED1 ...[Details]
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When designing and installing a sound system, it is inevitable to encounter the problem of matching the power amplifier and the speaker. In terms of timbre, attention will be paid to whether the match...[Details]
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Through electricity data, we can analyze the credit status of a company, reflect the economic operation of a region, and explore new value growth points... In the era of digital economy, the massiv...[Details]
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China is vigorously developing the electric vehicle industry, and even real estate companies are building new energy vehicle cities. Can they become the "Detroit of electric vehicles"? The following ...[Details]
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A few days ago, a Korean media shared several actual photos of the LG Q92 5G mobile phone online. The exposed LG Q92 5G is a ceramic white version. From the picture, we can see that the phone has a...[Details]
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For microcontroller beginners, these two questions are what everyone wants to understand, and everyone thinks that these two questions are very important. Especially the latter question, everyone is n...[Details]
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According to foreign media reports, battery technology company Sila Nanotechnologies announced the launch of a silicon anode for real products: Whoop Strap 4.0, and said it has been put into producti...[Details]
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#include
unsigned char i=0;
unsigned char receive=0x00;
void i2c_start()
{
SEN=1; //Start
do{
}while(SSPIF==0);
SSPIF=0;
}
void i2c_stop()
{
PE...[Details]