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In addition to OnePlus 8 and 8 Pro, it is reported that the Bullets Wireless Z wireless headphones and Warp Charge 30 wireless charging pad will also be released on April 14. Now foreign media ...[Details]
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A frequency meter is an instrument for measuring frequency or time interval information. It has high accuracy, low price and unique design. High-precision measurement can be achieved using only a...[Details]
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AT89C51 is the most widely used 8051 microcontroller. More importantly, it has the feature of repeated programming (FLASH). Under normal circumstances, it can be reprogrammed 1,000 times, which provi...[Details]
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1 Introduction
Portable electronic devices, such as cell phones, PDAs, and laptops, have special overcurrent protection requirements. These devices are generally powered (charged) by AC/DC pow...[Details]
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Network Analyzer Block Diagram Figure 1 shows the internal block diagram of the network analyzer. To complete the transmission/reflection characteristics test of the device under test, the network an...[Details]
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Samsung is working with Mastercard to develop a bank card with a built-in fingerprint scanner, which the two companies say will help reduce the spread of viruses by eliminating the need for users to ...[Details]
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PWRGD is the output port of the power supply, which can intuitively display the input status of the external power supply. The schematic diagram of the optocoupler output circuit of the switching pow...[Details]
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IT Home reported on June 10 that according to foreign media reports, since HMD took over the "Nokia" brand, it seems to have been very "confusing" in naming new phones, which has confused cons...[Details]
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Recently, an international team of engineers has successfully developed a prototype, which is a specially designed contact lens. The team tried to build an LED light made of sapphire into the con...[Details]
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1. Introduction
Today's electronic and electrical architecture has undergone significant changes compared to the past. First, compared to the numerous ECUs with limited computing resources in ...[Details]
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NAND read: device 0 offset 0x400000, size 0x500000 //0x500000是2G？ .....Boot with zImage Starting kernel ... Uncompressing Linux... done, booting the kernel. Initializing cgroup subsys ...[Details]
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introduction
With the rapid development of IT technology, electronic technology, communication technology, and automatic control technology, high-speed real-time collection of industrial field...[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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1. DC digital voltage divider measurement principle
Figure 1 Measurement principle diagram
The DC digital voltage divider uses the RC voltage divider method to measure high voltage AC...[Details]
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Wu Hequan, an academician of the Chinese Academy of Engineering, recently publicly stated that in the process of formulating 6G standards, we should pay attention to reasonable indicators that meet...[Details]
Analog electronics
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