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Spectrum analyzer is an instrument for studying the spectrum structure of electrical signals. It is used to measure signal parameters such as signal distortion, modulation degree, spectral purity, fr...[Details]
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On August 31, the Guangdong Regulatory Bureau disclosed the acceptance information of the coaching registration and filing of Guangzhou Langguo Electronic Technology Co., Ltd. (hereinafter referred t...[Details]
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On July 3, vivo’s official Weibo account posted: The mountains are flat and vast, and the painting stretches for thousands of miles. #vivo X50 Pro+#, ultra-high-definition night shot, reproduces t...[Details]
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1.
Notes
on switching
LED
electronic display screen:
1. Switching sequence:
When opening the screen: turn on the machine first, then open the screen.
When turning off...[Details]
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ADC and DAC, DSP
ADC is an analog-to-digital signal encoding chip, such as TLV320ADC, and DAC is a digital-to-analog signal decoding chip, such as ES9028. The former is generally used for reco...[Details]
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4*4 keyboard input, can change password, 24C02 is used to store password. I use 6 digits. You can also use more digits by changing the corresponding variables. It's very simple. I have written the in...[Details]
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Application Technology of Digital Potentiometer
From the perspective of application, this paper introduces the method of rationally designing application circuits and rationally select...[Details]
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Akamai Shield NS53 protects on-premises and hybrid DNS infrastructures from resource-exhaustion attacks
April 15, 2024 – Akamai Technologies, Inc. (Akamai), the cloud service provide...[Details]
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At the I/O 2019 Developer Conference, Google officially announced the new Android Q gesture navigation, and believes that it can greatly improve the user experience of Android smartphones. Based on t...[Details]
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There are only two external interrupt source input terminals in the MCS-51 series microcontroller. When there are more than two external interrupt sources, they must be expanded. Here are two simp...[Details]
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Simulation diagram: Part of the source code: #include reg52.h #include "LCD.h" #include "Delay.h" #include "AD.h" #include measure_define.h #include KEY_FUNCTION_DEFINE.H #include Cap_define.h ...[Details]
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Today, as connectivity continues to increase and the Internet of Things becomes more popular, it is crucial to simplify the interoperability between connected devices and improve their security and ...[Details]
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Recently, Xiaomi TV has attracted criticism online because it achieved the excellent result of ranking first in sales in China in the first half of 2019. Someone wrote that this is not the highligh...[Details]
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Preface
With the development of computer technology, industrial technology has also developed rapidly, and embedded applications have also become very widespread.
In order to ensure the rea...[Details]
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Circuit example of complete single-ended 75Ω input impedance to differential output, 2.5V input to 1.25V differential common mode level shifting, and single-ended to differential gain = 2 with extern...[Details]
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