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The circuit schematic and PCB diagram of the L297A+L298N chip stepper motor driver module drawn by Altium Designer are as follows: (The project file can be downloaded in the 51hei attachment) The a...[Details]
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On November 22, 2022, the 2022 Annual Meeting of the Energy Industry Flow Battery Standardization Technical Committee (NEA/TC23) (hereinafter referred to as the "Standardization Committee") was hel...[Details]
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1 Basic Principles
Photoelectric direction finding refers to the use of photoelectric systems to determine the direction of a target. This is an important component of optical radar and optic...[Details]
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Nowadays, advertisements are everywhere, and inserting advertisements into TV programs has been generally accepted by the audience. People often get up and leave the TV to do something they like whil...[Details]
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2020 is the year when automotive information security standards are fully rolled out. The successive promulgation of international standards and regulations means that vehicle information security h...[Details]
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As early as 2019 at CVPR (the world's top academic conference in the field of computer vision and pattern recognition), Baidu Apollo unveiled its autonomous driving pure vision urban road closed-loop...[Details]
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High power and high brightness LED conductive glue, conductive silver glue Conductive glue is an indispensable glue in LED production and packaging. The requirements for conductive silver p...[Details]
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1 Introduction There are many machinery in production that require both forward and reverse rotation, and often require quick starting and braking, which requires a reversible speed control system. T...[Details]
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1. Power amplifiers use
field effect tubes
or
bipolar transistors
(hereinafter referred to as transistors) as the front and back stages to amplify the signal.
The power amplifier made of
...[Details]
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When porting the stm32 library program, an error "#error "Please select first the target STM32F4xx device used in your application (in stm32f4xx.h file)"" occurred. The STM32F4xx device was not ...[Details]
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According to venturebeat, due to the impact of the epidemic, 3GPP announced the postponement of the release of the next two key 5G standards. Currently, 5G network deployment is based on the R15...[Details]
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The RF admittance level switch is selected by many manufacturers because of its advantages such as being unaffected by medium density and high temperature resistance. It is currently considered to ...[Details]
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(Singapore – February 19, 2014) Molex, a global leader in electronic components, is committed to helping medical design engineers meet the industry's growing demand for smaller, more portable dev...[Details]
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Recently, Helin Micronano revealed in an institutional survey that the production capacity of probes will reach 500kk/month by the end of 2022. Helin Micronano said that the company has basically co...[Details]
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Samsung Electronics released a report revealing that its sales of ultra-large TVs have seen significant growth. In the first three quarters of this year, sales of TVs 80 inches and above climbed 15...[Details]
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