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According to foreign media 9to5Mac, people familiar with the matter revealed that Apple is internally testing a new display equipped with an A13 chip. The display is codenamed J327, but details ab...[Details]
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Recently, I made a phase-locked loop to generate an oscillation frequency of about 65MHZ~73MHZ. Since the maximum input frequency of MC12022 can reach 1GHZ, and the maximum oscillation frequency...[Details]
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磨削作为机械加工的重要组成部分,是精密的超精密加工的重要手段。而砂轮不平衡量引起的振动对磨削过程有很大的影响,严重制约着磨削表面质量和精度的提高。传统的砂轮平衡方法是静平衡,这种脱机的平衡方法不方便,而且受平衡导轨精度、平衡芯轴圆度、摩擦力及操纵者技术水平的影响,平衡精度受到一定限制,而且要花费很多时间,尤其是对精密和超精密磨削需要分初平衡、精平衡,并经过多次拆装砂轮,平衡时间长,使用也不方便。此...[Details]
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System Overview:
With the rapid development of science and technology, some authoritative people have made interesting guesses about the future of human beings. The human brain will beco...[Details]
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Google has acquired Raxium, a five-year-old hardware company that develops small light-emitting diodes for augmented reality and mixed reality displays, to boost its augmented reality hardware busine...[Details]
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According to a survey by TrendForce Semiconductor Research Center (DRAMeXchange), DRAM inventory on the demand side has returned to a healthier level in the second half of 2019. In addition, some com...[Details]
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This article introduces several simple methods to effectively identify the positive and negative electrodes of old batteries , so that everyone can make quick judgments when charging or testing by th...[Details]
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0 Introduction
With the popularity of various vehicles such as cars, the demand for vehicle navigation equipment has become increasingly strong. As a vehicle-mounted device, it must not on...[Details]
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The customer provided an acceleration sensor, model MPA1064A, and we helped the customer test whether the output of the sensor could be measured and verify the test plan. The sensor was very small an...[Details]
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This time it is a key interrupt. First of all, the interrupt initialization is indeed troublesome. The bare metal program I designed myself is the four buttons on the TQ board. When the button is pres...[Details]
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According to Business Insider, Uber and Lyft are currently losing a lot of money. In 2019 alone, the two companies lost a total of $3.8 billion. Most investors and analysts put the key to profitabili...[Details]
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After more than ten years of iterative development, BYD DiLink smart cockpit system has finally ushered in the 4.0 era. The biggest change is that BYD has integrated the 5G baseband into the car co...[Details]
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The development of water meters has a history of nearly 200 years. In the early stage, water meters from countries such as Britain, France, Japan and Germany have always occupied the Chinese water met...[Details]
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The specific usage of the DC motor speed regulator is as follows:
1. When the user needs to adjust the speed of a DC motor with a rated voltage of 12-30V (10A), only a single power input is re...[Details]
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Crank press is a common metal forming equipment, widely used in automobile, aviation, shipbuilding, machinery manufacturing and other industries. It has the characteristics of simple structure, con...[Details]