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Although the OC gate can realize the function of line and, the selection of external resistor Rp
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subject to certain restrictions and cannot be too small, thus affecting the working speed. At t...[Details]
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The rigidity setting of Panasonic servo drive is an important part of its performance adjustment. The purpose of rigidity setting is to ensure that the servo motor can provide sufficient torque dur...[Details]
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For hydraulic servo systems, maintaining high speed and high precision of the mechanism is a basic condition for system design. In order to achieve this requirement, how should the control valve be...[Details]
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1 Introduction
Traditional lighting devices such as street lighting systems are rigid lighting systems. The lamps as loads passively absorb electricity from the mains. As the mains voltage fluctuate...[Details]
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The aggressive Huawei has felt the shock in the trade friction, and the "old guy" Samsung has also had a chance to breathe. This time, it wants to return to the domestic market again. Since 2018, S...[Details]
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This task uses Ruisai MCU R7C004 to drive customized segment LCD, 4COM, 18seg, 1/3 bias. Since the MCU itself has segment LCD driver, its working process and control method can be known according to ...[Details]
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Function and principle of frequency converter
Frequency converter is a kind of power electronic device, also known as AC variable frequency speed regulator, which can convert fixed frequency A...[Details]
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According to the design of various pulse power supplies and continuous power supplies for driving semiconductor lasers, as well as the application of feedback technology in power supplies and knowled...[Details]
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South Korea’s semiconductor equipment imports from Japan rose about 80 percent year-on-year, despite efforts to reduce its reliance on Japan after Tokyo imposed export curbs in July last year. The ...[Details]
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On May 16, Henrik Green, senior vice president of research and development at Volvo Car Group, said at the Vienna Automotive Seminar that Volvo will abandon the mechanical supercharging technology cu...[Details]
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Video (digital) conferencing
The selection of the system is mainly considered from five aspects.
1. Networking method: whether the networking method is flexible, whether it is suitable f...[Details]
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Beijing, China -
November 4,
2011
- Tektronix, a leading global provider of multi-vendor calibration, maintenance and related services, recently announced a major investment in its calibrat...[Details]
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1. Serial port usage: Principle: Try to avoid delays in interrupts (for example, custom delay and custom printf serial port printing are obviously looking for trouble. How can overflow errors not occ...[Details]
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The welding robot system is generally composed of relays, programs, designs, machine tools, and computers.
1. Relay
Refers to the relay used in welding. Its function is to convert electri...[Details]
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Abstract: This paper introduces a design scheme of an audible and visual alarm device based on the control of the STC89C52 single-chip microcomputer (MCU). The system designed in this scheme can re...[Details]
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