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John Davis, Co-Chair of the Ransomware Task Force (RTF): Ransomware is one of the biggest threats to cybersecurity Ransomware has become one of the most pervasive threats in our society, evolving f...[Details]
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The working principle of the optical mouse is: there is a light-emitting diode inside the optical mouse, and the light emitted by the light-emitting diode illuminates the bottom surface of the optical...[Details]
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PIN diodes are commonly used as variable attenuators for RF signals in TV tuners and broadband RF in fixed communications equipment. These diodes can be mounted on a circuit board as discrete devic...[Details]
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July 25, 2022, China -
STMicroelectronics' VNF1048F automotive-grade high-side switch controller integrates enhanced system protection diagnostic functions and STMicroelectronics' I2-t silicon ...[Details]
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Not long ago, Apple launched the new iPhone SE, which is equipped with Apple's latest A13 Bionic chip and inherits the size and appearance of the iPhone 8. For a product like the new iPhone SE, which...[Details]
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On January 21, the large-scale production line of coal-based electrochemical energy storage materials of Beijing Low Carbon and Clean Energy Research Institute of China Energy Group (hereinafter re...[Details]
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High voltage (120VP-P) power MOSFET amplifier
Energy of circuit
To make the amplified waveform similar to the input waveform, the amplifier circuit must use a symmetrical circuit, and the ch...[Details]
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Excessive collection or improper use of personal information by companies is likely to infringe on personal privacy and even pose a risk to public safety. As privacy rights receive more and more atte...[Details]
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Since many people always ask this question, here is a summary document for your reference. It must be explained here that the following steps are for Linux systems, not WinCE. You may notice that amon...[Details]
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The core part of the museum's security system is anti-theft, which aims to prevent the occurrence of crimes and to detect dangers in time and deal with them effectively. However, the background sof...[Details]
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By using fiber optic
sensors
to measure pipe wall thickness, gas pipeline operators can track and monitor the rate of corrosion in pipelines. Connecting the sensors to network control ins...[Details]
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1. Stepper motor single and double eight-beat forward rotation A stepper motor is an electromechanical element that converts electrical pulse signals into angular or linear displacements. The input o...[Details]
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----------------------------- Environment PC: ubuntu 11.04 kernel: 2.6.32-28-generic corss: arm-linux-gcc 4.3.2 arm: s3c6410 ----------------------------- System clock configuration This article ma...[Details]
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In the fourth quarter of 2019, MLCC prices gradually bottomed out along with the electronics industry, and inventory levels dropped to a healthy level of 70 days. Currently, in terms of global MLCC s...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]