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The real-time clock function is realized by using the real-time clock chip PCF8563. PCF8563 is a multifunctional clock/calendar chip with I2C bus and extremely low power consumption launched by PHI...[Details]
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How to know the frequency of air conditioner noise?
1. Background
The noise of some air conditioners is a headache for our after-sales staff, such as high-frequency noise, low-frequency r...[Details]
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Installed on the ceramic insulating board, the positive and negative poles are alternated, the same polarity is connected in parallel, and then connected to point B and point G respectively. The ...[Details]
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Abstract: A direct torque control system based on TMS320F240 DSP was developed to realize motor AC speed regulation. The system design scheme and software and hardware implementation methods wer...[Details]
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Specific implementation functions The system consists of a single-chip minimum system + photoresistor and AD module + Bluetooth module + infrared module + LED light + buzzer + power supply Specific...[Details]
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A mobile power bank is a portable charger that integrates power supply and charging functions. It can charge or power standby for mobile phones and other digital devices anytime and anywhere. It usua...[Details]
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1. Introduction
As people need colored lights for house decoration, colored neon lights can be seen in many cities. LED colored lights have been widely used due to their rich light colors, low...[Details]
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Through several small chapters, we will introduce hydrogen fuel cell vehicles to you and explain why hydrogen fuel cell vehicles are qualified to replace electric vehicles. Chapter 1: The curre...[Details]
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embed-linux version:linux-2.6.39-exp vmware-linux:ubuntu14.04 hardware: core chip at91sam9x25 cross-compile:arm-none-linux-gnueabi-gcc 4.5.2 code: #include stdio.h #include stdlib.h #include unistd.h...[Details]
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Multiple relay coils can be powered by a single power supply, which must be large enough to drive all coils simultaneously. In addition, these relays are densely packed into a small area, and the p...[Details]
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Li Yinghui, deputy chief designer of China's astronaut system, said in Beijing on the 18th that during the China Space Station mission, the scientific research team completed the first domestic space...[Details]
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China National Electric Equipment Group, a state-owned enterprise with a value of hundreds of billions of yuan, established an energy storage subsidiary, with CATL as a shareholder
On Febr...[Details]
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The PROFINET communication port of S7-1200 can be used as the server or client of S7 communication (CPU V2.0 and above). S7-1200 only supports S7 unilateral communication. You only need to configur...[Details]
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On February 20, Gasgoo learned that United Optoelectronics stated on the interactive platform that the company’s millimeter-wave radar products have now been designated by OEMs based on their technic...[Details]
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Recently, a 215 kWh distributed energy storage was connected to the Shiqiao No. 75 distribution box transformer, completed testing and put into operation, becoming the city's first cloud energy storag...[Details]
Analog electronics
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