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This paper introduces a smoke alarm design based on AT89C52 single chip microcomputer and MQ-2 semiconductor resistor smoke sensor. The smoke alarm has functions such as sound and light alarm, conc...[Details]
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introduction
With the advent of a new generation of wireless mobile communications, digital intermediate frequency receivers in communication systems have increasingly higher requirements for ...[Details]
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In the past 2010s, changes in autonomous vehicle technology have emerged in a perceptible way around the world, and the industry leader in this field is undoubtedly Waymo, a subsidiary of Google. Rec...[Details]
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Qualcomm and seven leading global operators announce plans to expand next-generation computing with Snapdragon Spaces
Key points:
•
Seven operators including Chi...[Details]
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A darling of Wall Street investors, Tesla is favored not only because it is the world's best-selling electric car maker, but also because of its expertise in innovative software. As the automotive i...[Details]
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1. IO mode There are 8 types of STM32 GPIO configurations: (1) GPIO_Mode_AIN analog input (2) GPIO_Mode_IN_FLOATING floating input (3) GPIO_Mode_IPD pull-down input (4) GPIO_Mode_IPU pull-up input ...[Details]
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1. Traditional UPS power supply and environmental construction solutions need to meet higher requirements
With the vigorous development of my country's economy, my country's radio ...[Details]
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(Reporter Lu Yanan) At a policy briefing held by the State Council Information Office a few days ago, Qi Chengyuan, deputy director of the National Energy Administration, revealed that in order to ...[Details]
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The New Year's bell is about to ring, and people who have been busy for a year will gather with their loved ones to enjoy the warmest time of the year. In order to create a festive atmosphere, many...[Details]
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1. Recently, when debugging ATM32F103CB, I found that the last byte of a string of data could not be sent out, using RS485 transceiver;
2. The code is as follows:
void uartReturn(unsigned char ...[Details]
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This article focuses on the basic points of WLAN RF testing, hoping to be helpful to those who are new to the WLAN field. In addition, this article mainly focuses on the initial RF testing of WLAN chi...[Details]
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Functions and classification of oscilloscopes An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, makin...[Details]
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Hydrogen energy company Verdagy has raised $25 million in a new round of funding, just months after announcing its spinoff. The lead investor is TDK Ventures, with additional investment from a number...[Details]
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1. Serial communication software simulates STM32 to send 26 English letters through serial port USART1 (configuration register) /*********************************************************************...[Details]
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It would seem cheap and simple to limit the current in the
LED
string
with a simple resistor
, so why go to all the trouble of using
a
linear
driver
IC
?
In fact, the ben...[Details]
RF/Wirelessly
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