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question: The STM32 USB CDC project is generated using STM32Cube. After compiling and downloading, the following problems are found when the USB is plugged in: A yellow exclamation mark is dis...[Details]
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Preface Compared with flow meters using traditional measurement methods, ultrasonic flow meters have many advantages: they do not change the flow state of the fluid and do not generate additional res...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Most analog integrated circuits (comparators, op amps, instrumentation amplifiers, references, filters, etc.) are designed to process voltage signals. When it comes to devices that process current ...[Details]
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On August 13, Leman Optoelectronics released its semi-annual report stating that in the first half of 2021, the company achieved operating income of 568 million yuan, a year-on-year increase of 44.51...[Details]
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At this year's Computex 2019, Realtek demonstrated an SD Express solution based on the RTS5261 controller chip, which can support up to 128TB of capacity and 1GB/s of transfer rate. Last year, the SD...[Details]
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"We believe that high computing power and versatility will be two important trends in smart driving chips or intelligent driving chips." Recently, Wang Ping, executive president of Cambrian Xingge (N...[Details]
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1. Diode The open circuit voltage of the diode range of the digital multimeter is about 2.8V. The red test lead is connected to the positive and the black test lead is connected to the negative. ...[Details]
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Testing of digital designs often requires one or more digital signals, and some signals are very difficult to generate. Pattern generators are designed to solve this problem. Pattern generators can...[Details]
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Recently, a new Xiaomi phone with model number M2007J17C passed the 3C certification. The power adapter is MDY-11-EX, which supports a maximum power output of 33W. It is reported that the phone corre...[Details]
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0 Introduction
Implementing encryption algorithms using software has become a major bottleneck in real-time secure communication systems. Standard commercial CPUs and DSPs cannot keep ...[Details]
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With the gradual deepening of urban and rural power grid transformation, various metering tools continue to appear on the market. The metering methods used by various metering tools are also different...[Details]
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With the rapid development of portable applications, lithium battery chargers
for products such as mobile phones and digital cameras
also need to keep up with the development of portable...[Details]
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How to use PLC controller
The use of a PLC (Programmable Logic Controller) controller usually requires the following steps:
Understand the structure and working principle of the controlle...[Details]
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Recently, the 2021 China-Germany Automotive Conference was grandly opened in Jilin. As a representative of cylindrical battery companies, one of the mainstream technical routes of new energy power ba...[Details]
PCB Design
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