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1. What is the trigger mode of an oscilloscope? The "triggering" of an oscilloscope is to synchronize the scanning of the oscilloscope with the observed signal, so as to display a stable wa...[Details]
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In the last issue, I introduced the basic functions of character LCD 1602, and used it to drive the display with 51 single-chip microcomputer. You can use it to express your lucky date or your favor...[Details]
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According to Jiwei.com, as Huawei's "chip shortage" becomes more and more serious, its suppliers, whose performance mainly comes from Huawei, are also facing a cold winter. According to the author's ...[Details]
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1. Then it says that the addresses of port A, port B, port C and control register of 8255 are 7FFCH, 7FFDH, 7FFEH and 7FFFH respectively. How is this calculated?
The high eight bits 7F are because p...[Details]
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In order to improve the management level of water resources in China, better monitor the safe operation of water conservancy projects, maximize the rational use of water resources, improve the uti...[Details]
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NIPPON ZETTOC CO., LTD.'s main business is toothpaste processing. The company introduced the Universal Robots to solve the labor shortage problem in its packaging and boxing production lines while en...[Details]
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How to eliminate distortion produced by tube amplifiers
Tube amplifiers often produce harmonic distortion when they are working. Through spectrum analysis, it is found that most tu...[Details]
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Based on the design and development technology of the iOS platform, a smart home alarm system is implemented in a heterogeneous network to solve the security problems in smart homes. In this securi...[Details]
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Abstract: The MAXQ3210 is unique among the MAXQ family and other embedded microcontrollers. It combines EEPROM-based code and data storage, a piezoelectric speaker driver, and a 9V regulator in a low-...[Details]
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I recently did a graduation project and needed to use a button to trigger an external interrupt. It was normal during the experiment, but after changing the core board and using the PCB circuit board...[Details]
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Introduction Most GPIO port drivers under WinCE are developed in the form of stream interface drivers. In terms of implementation, the driver is compiled into a dynamic link library based on the...[Details]
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Despite the impact of adverse factors such as the macroeconomic downturn and tariff policies, sales in the fourth quarter still reached US$4.7 billion, in line with expectations Fiscal 2019 sales i...[Details]
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I simply learned about the WIFI module and related AT commands, configured the WiFi module to work in single STA mode, saved the configuration in the flash, and then automatically sent commands to co...[Details]
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Today, the 5G communication case launched by a third party for Huawei P50 was officially launched. The manufacturer is Soyealink, which can upgrade the P50's mobile network from 4G to 5G. It is repo...[Details]
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e-STORAGE, the energy storage subsidiary of Canadian Solar Inc. (stock name: Canadian Solar, stock code: 688472.SH), announced on October 1, 2024 that it has been awarded a turnkey engineering, gen...[Details]
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