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1. Handheld laser rangefinders generally refer to lasers that measure between 0.05 meters and 200 meters, with an accuracy of millimeters and are simple and convenient to use. 2. Handheld laser range...[Details]
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1. Selection of shake meter
When selecting a megohmmeter, its rated voltage must be compatible with the operating voltage of the electrical equipment or circuit being measured, and the mea...[Details]
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June 30 report (Reporter Zhang Yiqun) At the "GSMA Thrive • All Things Live" online event held today, Qualcomm President Amon delivered a keynote speech entitled "5G: Making the World More Resilient"...[Details]
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According to the latest report from DigiTimes, the chips used in the next-generation iPhone will be based on the "4nm" process, which is more advanced than the 5nm process used by the iPhone 13. The...[Details]
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On July 20, according to the recent disclosure of the Shanghai Securities Regulatory Bureau, CITIC Securities Co., Ltd. issued a summary report on the guidance work for the initial public offering an...[Details]
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Laser triangulation diffuse reflection
Displacement sensor
Has obvious advantages in thickness measurement:
- Very small measuring spot, which is the spot light area. For example, the ...[Details]
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Today, iFixit shared several photos of their disassembly of AirTags, and compared them horizontally with Samsung's SmartTag and Tile Mate. In comparison, AirTags is the smallest in size, the mo...[Details]
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On the morning of July 28, a report from foreign media Insider stated that Apple’s third-party repair partner in the United States, CSAT Solutions, is a "sweatshop." Although most Apple produ...[Details]
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01Basic Principles
A stepper motor is an actuator that is controlled by electric pulses and converts electric pulses (digital signals) into angular displacement.
Usually the rotor o...[Details]
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What does self-excitation and frequency compensation of op amp mean?
Definition of self-excitation of op amp: After assembling an amplifier, connect the DC power supply they need, and make the inp...[Details]
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Huawei's first smart viewing glasses will be unveiled at the 2022 World VR Industry Conference and will be officially released in December Huawei announces AR/VR R&D layout and will release its fir...[Details]
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Overview In traditional radio architectures, connecting four antennas to the sound system requires up to 20 meters (60 feet) of copper cable. The new architecture separates the tuner from the sound ...[Details]
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Today, Huawei Terminal's official Weibo announced that Huawei will hold the 2022 Huawei Whole-House Smart and All-Scenario New Product Spring Conference at 19:00 on March 16. At this conference,...[Details]
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Text/Wang Weimin
2019 is a crucial year for promoting the consumption of new energy. According to data released by the National Energy Administration, in the first half of this year, the natio...[Details]
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0 Introduction
Since the birth of the car, driving safety has been a problem for mankind. As an effective means to reduce traffic accidents, automotive microwave radar technology has been deve...[Details]
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