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Taking the epidemic as an order - in 5 days, Wuhan Huoshenshan Hospital was powered on; in 4 days, Henan "Xiaotangshan" power grid project was completed; in 3 days, the power "lifeline" of Wuhan Le...[Details]
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Introduction: To continue to maintain a long battery life, it is necessary to improve the power management design of the device and pay more attention to how to integrate multiple necessary power m...[Details]
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1. Detection of reverse breakdown current The reverse breakdown current (also called reverse leakage current or penetration current) of ordinary transistors can be estimated by measuring the resista...[Details]
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1. 8051 MCU:
8051 MCU was first introduced by Intel. Later, Intel exchanged or transferred the right to use 80C51 core to many famous IC manufacturers in the world, such as Philips, NEC, Atmel, A...[Details]
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As the CAN bus is increasingly used, engineers have to face a headache in choosing the right network topology under various working conditions. Here are some of the mainstream bus topologies to help ...[Details]
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Here I will paste the specific settings of the STM32 USB-related registers, which is very helpful for learning STM32 USB. For the code involving the register part, you can refer to the description of...[Details]
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Sina Digital News reported on the morning of February 4 that investment bank JP Morgan Chase (JP Morgan) analyzed that the rumored Apple virtual reality (VR) device may be released in the first...[Details]
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The video surveillance system accurately, clearly and quickly transmits the real-time images and data of the monitored scene to the monitoring center server. The monitoring center can directly and ...[Details]
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74 series commonly used devices
Commonly used AND gate and NAND gate devices
MM54HC08/MM74HC08
MM54HC11/MM74HC11
MM54HC00/MM74HC00
Commonly used OR gate and NOR gate devices
MM54HC32/MM74...[Details]
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In the switching power supply topology with transformer , when the switch is turned off, the loss caused by the overlap of voltage and current is the main part of the switching power supply loss. At...[Details]
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H.264 is one of the most important international standards for data compression encoding.
Fast motion estimation algorithms have always been a hot topic in video compression. In this paper, so...[Details]
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With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
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Recently, Cypress, an American semiconductor manufacturer, shared its future strategic plan with the media in Beijing. Automobile and Internet of Things (IOT) have become the company's two new busine...[Details]
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1. Reasons for battery failure and importance of detection
Valve-regulated lead-acid batteries (VRLA) have been called maintenance-free batteries since the beginning, and the manufacturer prom...[Details]
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On March 7, broadband access technology is one of the most active areas in current communication technology. In telecommunications networks, access networks connect users and service nodes, mainly sol...[Details]
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