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//4x4 matrix keyboard scanning routine (C51) //Use the LED on the P0 port to display the key value obtained by scanning the 4x4 keyboard // //Li Yingchao, School of Physics and Electronic Engineering...[Details]
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After Keil enters simulation, the program running arrow is not displayed in the program window. Click "Run" and the program will run, but the program running arrow will not be displayed. It may be th...[Details]
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0 Introduction The car instrument is the window and interface for information exchange between the driver and the car. It plays an active and important role in improving the service life of the car ...[Details]
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“Are you having trouble breathing?” Your smartphone app will send you daily questions to ask. And your healthcare providers already know what’s happening to you: They monitor oxygen levels, p...[Details]
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Nvidia's RTX 50 series graphics cards are expected to debut at CES 2025 next year. According to the latest news from Bobantang today, the RTX 50 series models may be released relatively quickly, ba...[Details]
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Zebra Networks has a new core point in the field of Internet of Vehicles. On June 5, Zebra Networks officially launched the Zebra Intelligent Driving System MARS (V3.0), and will also make intensiv...[Details]
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In the automotive manufacturing industry, many parts need to be coated with a certain thickness and strength of coating to improve surface performance. Therefore, the detection of coating adhesion str...[Details]
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At MWC 2019, OPPO and Qualcomm demonstrated 5G cloud gaming at their booths, and Tencent also announced that it would launch a cloud gaming platform "Tencent Instant Play" in collaboration with Intel...[Details]
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Important parameters for selecting piezoelectric buzzers
1. Size: The size of the buzzer will affect the volume and frequency. The electromagnetic type ranges from 7mm to 25mm, while the piezo...[Details]
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How harmful is mobile phone radiation to the human body? This question has been discussed by people for a long time. Although from the current actual situation, there is no definite evidence that m...[Details]
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Currently, most electric vehicles and energy storage systems use lithium-ion batteries . Although they have high energy density and fast charging speed, they have safety issues. Therefore, the indust...[Details]
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Nowadays, TV boxes are not new to most people. But thirteen years ago, it was still a new product. Apple, seeing the business opportunity, launched its own iTV streaming box. However, this product of...[Details]
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A. Basic information:
1. Defective sample: high-power white light finished product.
2. Number of samples with bad feedback: 114pcs.
B. Abnormal content:
After testing the abnormal...[Details]
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Market research firm SEMI believes that 2021 will be a landmark year for global wafer fabs, with equipment spending expected to grow by 24% to a record high of $67.7 billion, 10% higher than the prev...[Details]
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Basic concepts:
Memory:
SRAM static memory features: small capacity, high price, advantages: no software initialization required, can be used as soon as power is turned on.
DRAM dyna...[Details]