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We all know that the school uses bells to control the class start and end times of all classes. How does the microcontroller fetch instructions, execute instructions and perform other operations? Her...[Details]
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Many oscilloscopes on the market today have their own control methods, including using the front panel, touch screen, or soft keys. The basic controls found on most oscilloscopes include: Horizonta...[Details]
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In this power supply design recipe, we will discuss how to maximize the power supply efficiency for a specific load current using the same number of stages. We recommend using the following output cu...[Details]
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Will the car key, which has a history of a hundred years, ever disappear one day? 1916 The first car equipped with a car key The Cadillac Type 53 uses a ignition key instead of a starter...[Details]
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Based on these characteristics of LED lighting, three models can be roughly given, targeting general LED lighting, intelligent control of LED lighting, and the combination of LED lighting with sola...[Details]
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Unisoc held a media open day event with the theme of "New Unisoc" at its Shanghai headquarters. Unisoc CEO Chu Qing explained the "New Unisoc" from five aspects: strategy, management, technology, qua...[Details]
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General process of system testing To ensure normal operation and reduce workload, when testing the system, hardware testing is usually performed first, followed by software testing. When testing ...[Details]
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Sample and Hold Amplifier
The sample-and-hold circuit (sample/hold) is also called a sample-and-hold amplifier. When performing A/D conversion on an analog signal, a certain conversion time is requ...[Details]
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Abstract: This paper describes the hardware and software design of an Internet-based industrial air conditioner intelligent controller. The controller can not only complete the conventional control...[Details]
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/************Port definition, can be modified******************/
sbit ledrs=P2^3; //Read and write control word
sbit leden=P2^5; //Enable control word
sbit ledrw=P2^4;
void write_com(uchar com...[Details]
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9. RST/VPD (pin 9)
RST reset (high level reset): When the input signal is high level for more than 2 machine cycles, it is valid and is used to complete the reset initialization operation of ...[Details]
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I don’t know since when, smart TVs have become a hot commodity for mobile phone giants. The first to open up the market was Xiaomi, whose "high cost-performance" model was quite effective, and ...[Details]
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1. Experimental Schematic Diagram
2. Experimental content
Use the P1 port to output high and low levels to control the opening and closing of the relay to achieve control of external dev...[Details]
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According to Jiwei.com, as the review of the Science and Technology Innovation Board is gradually accelerated, more and more companies in the technology field are rushing to the Science and Technolog...[Details]
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Here is an overview of the pros and cons of these motors:
1. Advantages:
(1) Low cost:
Two-phase permanent magnet (PM) stepper motors are generally less expensive than similarly size...[Details]
DSP and ARM Processors
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