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Modern power electronics is developing towards miniaturization and lightness, and has higher requirements for efficiency and electromagnetic compatibility. With the development trend of high freque...[Details]
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The recently released iPhone 12 series has a total of four models, which will be launched in two batches. Recently, there are reports that the reason for the delay in the launch of the iPhone ...[Details]
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Sound waves are divided into two categories according to their properties: electromagnetic waves and mechanical waves. Electromagnetic waves are generated by the action of electromagnetic forces and ...[Details]
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;lcd display program
RS BIT P2.6
R_W BIT P2.5
ENABLE BIT P2.7
LCDDATA DATA P1
;******************************************
ORG 0000H
AJMP MAIN
;ORG 000BH
;AJMP I...[Details]
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2 Theoretical research on microresistance test
This chapter mainly studies the relevant basic theories of high-precision microresistance tester.
Resistors can be divided into high resistors (...[Details]
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Dingqiao M40 has entered the Tianyi product library. The phone will be the MediaTek Dimensity 1000 Plus version of "Huawei Mate40". The 8+128GB version is priced at 4,599 yuan and the 8+256GB v...[Details]
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According to a research note shared by Barclays analyst Andrew Gardiner with MacRumors, the iPhone 13 series, scheduled to be released later this year, may also be equipped with under-screen fingerpr...[Details]
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IT Home reported on April 7 that information from the State Intellectual Property Office showed that on April 5, OPPO Guangdong Mobile Communications Co., Ltd.'s smart ring patent was authorize...[Details]
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Buck Circuit This is a step-down circuit. SW is connected to PWM here to perform the main work of stepping down. After Vout is divided, the maximum value not exceeding the chip working voltage ...[Details]
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Advantages and problems of ultrasonic gas flowmeter Ultrasonic gas flowmeter is a commonly used gas flow measurement instrument with the characteristics of accurate measurement, stable performance, ...[Details]
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Samsung Electronics announced on October 7 that it has developed the industry's first 12-layer 3D-TSV (Through Silicon Via) technology, which increases memory capacity while maintaining chip size. ...[Details]
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About two years ago, the implementation of high-end intelligent assisted driving was still in a period of obvious chaos. At that time, the most discussed topic in the entire industry was whether to f...[Details]
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In the power battery circle, China Innovation Aviation is the company that has fought the longest patent war with King Ning, which is also very unique. It is precisely because of patents that China A...[Details]
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The configuration of AVR fuse bits is a relatively delicate task. Users often overlook its importance or find it difficult to master. The following are some key points and related matters that ...[Details]
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On November 4, Li Rui, member of the Standing Committee of the Provincial Party Committee and Secretary of the Municipal Party Committee, visited private enterprises in Honghuagang District and Xinpu ...[Details]