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In the early morning of March 2nd, Beijing time, during Tesla’s Investor Day speech, the sentence that most affected semiconductor manufacturers came from Colin Campbell, Tesla’s head of powertrain e...[Details]
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As a light source with great development potential, LED's long life, solid structure, low power consumption and flexible dimensions have attracted more and more attention. In recent years, LED, espec...[Details]
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Abstract:
With the maintenance and support of digital circuits of new radar equipment as the background, a method for establishing the "MERGE" boundary scan test model is proposed. Based on t...[Details]
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This article introduces the main features of SMB20X, as well as the detailed application circuit diagrams and corresponding bill of materials (BOM) of SMB207, SMB208 and SMB209. Summit's SMB20x/2...[Details]
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LED chip production process In order to obtain high-power LED devices, it is necessary to prepare a suitable high-power LED panel light chip. The international community usually summarizes the...[Details]
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HYM8563[1] is a low-power CMOS serial I2C real-time clock/calendar chip produced by Wuhan Haoyu Microelectronics Co., Ltd. Figure 1 is a block diagram of its internal structure, Figure 2 is a wirin...[Details]
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In Keil C51, numbers cannot be assigned directly in binary form, although it is possible in 8051 assembly. Although binary numbers are long to write and prone to errors, because they are written one b...[Details]
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hardware: Development board: TQ2440 Emulator: openJtag software: System: XP + vmware virtual ubuntu_10.10 Compilation: ubuntu_10.10/opt/EmbedSky/crosstools_3.4.5_softfloat/gcc-3.4.5-glib...[Details]
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Laser Threshold Current Test
The threshold current is the point current when the laser diode starts to emit laser light. One method to calibrate the threshold is the second-order derivative method. I...[Details]
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With the development of digital engineering in the aircraft manufacturing industry, digital manufacturing has become the direction of production and development of our aviation enterprises. This requi...[Details]
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According to digital bloggers, Samsung Display, the real king of under-screen technology, beats any under-screen solution you have seen on the market and is two generations higher than other solution...[Details]
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Since the official release of iOS 15.4, people's attention to iOS 15 has obviously dropped a lot. After all, these months are the months when new phones are frequently released. For example, in April...[Details]
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1 Introduction to GPS System GPS is the abbreviation of Global Positioning System . Its purpose is to accurately locate and monitor ground and air targets on a global scale. With the increasing ...[Details]
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On March 9, according to the official account of Hengdian Dongci "Weidongci", good news came from the plastic magnet department of Hengdian Dongci recently. A new plastic magnet product of the depart...[Details]
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Last time, we have learned about the interrupt handling process of ARM and how to set the interrupt function. So, does it work like this? The answer is no. Because S3C44B0 has several registers tha...[Details]