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Test requirements: Customers who use electric valves need to test the switch control current of electric valves. The current generally ranges from several hundred mA to several A. They need to know w...[Details]
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Not long ago, Samsung released the Galaxy S22 series flagship phone, whose screen supports up to 120Hz high refresh rate. However, within two days, Samsung changed the parameters on its official webs...[Details]
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Linear motor control method
The control methods of linear motors can generally be divided into the following categories:
Open-loop control: The position and speed of the linear motor can ...[Details]
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Thermogravimetric analyzer is an instrument that uses thermogravimetric method to detect the relationship between temperature and mass change of a substance. Thermogravimetric analyzer is mainly comp...[Details]
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Introduction: This topic comes from a project of Beijing Puji General Company. Since the company’s existing stand-alone spectroscopic instrument products (such as 1810, T6, etc.) use parallel port...[Details]
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4.2 CAN communication module design
The CAN communication module includes controller initialization, data receiving and sending subroutines. SJA1000 has two states: reset mode and working mode, a...[Details]
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1. Introduction to onboard resources The development board uses Samsung's JZ2440V3 (an improved version based on S3C2440). There are abundant resources on the Internet, which is helpful for learning....[Details]
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Hello everyone, my name is Cristiano Amon, President of Qualcomm. I am honored to be able to give a speech at this year’s World VR Industry Conference. Over the past six months, connected technolog...[Details]
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At 12 noon on September 3, in Chengdu Hi-Tech West Zone, Chengdu Ailda Aviation Manufacturing Co., Ltd. (hereinafter referred to as Ailda), the air conditioning and lighting in the office area were tu...[Details]
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Evergrande New Energy Vehicle Group and five automotive engineering companies held a signing ceremony for strategic cooperation in R&D and design. In the future, Evergrande will jointly develop 15 ne...[Details]
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On October 19, the BMW Group announced a long-term partnership with Envision Power, a battery technology company under the Envision Technology Group: Envision Power will provide high-performance, h...[Details]
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Recently, Honor officially announced that it will release the Honor X30 mobile phone on the 16th of this month. Judging from the poster, the rear camera module of the Honor X30 is arranged in a ...[Details]
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On October 30, 2023, the world's first professional factory for ultra-fast charging power batteries was completed and put into operation at the Nansha headquarters base of Guangzhou Juwan Technology ...[Details]
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1. Pipe processing and common defects
Common defects in pipes are related to processing methods. Common defects in seamless steel pipes include cracks, folds, interlayers, etc. Common defects in weld...[Details]
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The gradual implementation of autonomous driving is expected to lead to the continued expansion of LiDAR, and more models equipped with LiDAR will be launched in China in the future. The barriers t...[Details]