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According to media reports, the first batch of construction units of the Changsha Sanan third-generation semiconductor project with an investment of 16 billion yuan has entered the main constructio...[Details]
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There are many types of ultrasonic flaw detectors, but in the actual flaw detection process, pulse reflection ultrasonic flaw detectors are the most widely used. Generally, in uniform materials, th...[Details]
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Constant current source expansion
Circuit
As shown in Figure 3, the operational amplifier works in an open-loop state. Since the voltage difference between the in-phase terminal and the inverting...[Details]
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As
LED
technology advances, LED applications are becoming increasingly diverse. However, since only 15 to 20% of the input power of high-
power
LEDs is converted into light, and ...[Details]
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1. Preparation: 1. Download the compilation tool keil c51 2. Download the board support package (BSP) provided by N76E003, which can be downloaded from nuvoton 2. Development Environment Constructi...[Details]
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In industrial production, we will encounter a variety of electronic measuring instruments. We choose different measuring instruments for different measurement requirements. Then, in the specific use ...[Details]
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This circuit is a low noise amplifier, the input of which is connected to an ORP10 antimonide detector operating at room temperature. Four low noise transistors are connected in parallel as the fi...[Details]
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According to Jiwei.com, at the Beijing Yizhuang Innovation Conference held on July 8, China Electronics Technology Group Corporation (hereinafter referred to as: China Electronics Technology Group Co...[Details]
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Before we start writing the interrupt function, let's review the interrupt system of the microcontroller. We will not explain the meaning of interrupt here (students who have studied mi...[Details]
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Research on the development and application of acoustic emission technology for solid materials
The location of the acoustic source can help to strengthen these rock projects in a targeted manner, ...[Details]
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Research firm Nomura has lowered its forecast for global smartphone shipments, predicting a 7.6% drop in global mobile phone shipments this year; as for PCs, production capacity for server parts shor...[Details]
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Our reporter Li Zheng
As two important driving forces for achieving the digital transformation of the economy and society, the integrated innovative development of the Industrial Internet and ...[Details]
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The STM8 rtc clock can use the internal low-frequency clock source, or the external low-speed 32768Hz clock source. The rtc code is as follows: #include #include voidinit_rtc（void） { RTC_InitTypeD...[Details]
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1. Why spend time on "hesitation"? Experience summary: Whenever we get started (ARM is like this, DSP is the same), there will always be many questions and concerns. We are eager to know w...[Details]
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From the application perspective, the basic properties of PTC materials are usually divided into: resistance-temperature characteristics, volt-ampere characteristics, current-time characteris...[Details]
PCB Design
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