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On August 9, Huawei held its 2019 Developer Conference in Dongguan. Huawei Consumer Business CEO Yu Chengdong pointed out that under the influence of the US ban, smartphone sales in the second quarte...[Details]
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My friend Meggie watches everything at 1.5x speed. The habit started when she was forced to watch work training videos and meeting notes on Google, but she also started speeding up the podcasts...[Details]
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Ross Young tweeted that industry chain people do not think the iPhone will have a high refresh rate screen Sina Digital News reported on the morning of July 2 that according to display analyst Ross...[Details]
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void delay(char n) { char i; for(i=n;i 0;i--); //Look at the assembly and you will find that 3 instruction cycles are used here. The 4M crystal oscillator is 3us and the 51 microcontroller 12...[Details]
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1. Mistakes in appearance The error of an indication is the difference between the indicated value of an indication and the actual value being measured. It can be expressed in three ways: (1) absolut...[Details]
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Abstract: Based on barcode technology, image processing technology and computer software technology, this paper designs a relatively complete and reliable barcode recognition algorithm. This paper ...[Details]
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Modern appliances have a range of functions that rely heavily on microcontrollers and supporting circuits. While traditional iron-core transformers can provide microcontrollers with low-voltage pow...[Details]
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The EMC requirements for UPS are a common concern for the majority of power supply technology workers. Starting from the last issue, this magazine has selected some contents of the national standards ...[Details]
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Gekong Technology and Tuya Smart jointly launched: 5.8G microwave radar sensing + Bluetooth networking (SIG-Mesh) zero-code implementation solution, and launched it on the Tuya Smart IoT platform!!! ...[Details]
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China is actively exploring the commercial implementation of self-driving trucks, but North America is preparing to impose a "death sentence" on this track. California's latest bill is pushing for ...[Details]
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1. The oscilloscope must be calibrated and compensated before use. Calibration is mainly to optimize the current measurement value and not be affected by the external temperature environment. The ca...[Details]
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On the morning of December 30, Unigroup Guoxin, Unisplendour Corporation, and XueDa Education announced that at 9:30 am on December 29, the second creditors' meeting and the investor group meeting of...[Details]
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As the speed of real-time signal processing continues to increase, the clock frequency of digital circuit systems also increases. At the same time, the improvement of semiconductor technology has also...[Details]
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1. Introduction to UDP UDP is a simple datagram-oriented transport layer protocol: each output operation of a process generates exactly one UDP datagram, which is assembled into an IP datagram to be...[Details]
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Tesla recently released an OTA upgrade package for firmware version V12.5.4.1, claiming that it had upgraded the vehicle's smart summon function, adding a remote driving function to it, allowing ca...[Details]