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8255 MCU data and introduction
The 8255 internally includes three parallel data input/output ports, two working mode control circuits, a read/write control logic circuit and an 8-bit bus buffer. ...[Details]
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On August 12, Xinwangda's wholly-owned subsidiary Xinwangda Electric Vehicle Battery Co., Ltd. signed a "Project Investment Agreement" with the Management Committee of Nanchang Economic and Technol...[Details]
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The rapid development of computer technology, communication technology and microelectronics technology, as well as the mutual penetration and integration of the three, have laid the foundation for ...[Details]
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LED energy-saving lamps are powered by a typical AC capacitor step-down constant current circuit. Although the power factor of the 24 LED energy-saving lamp kits here is only about 3.3, they are ve...[Details]
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In embedded development, we often compile busybox to create rootfs, and then run executable programs on it. So how can we modify the configuration to make a rootfs compatible with both 32-bit and 6...[Details]
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In modern warfare, radar technology has been widely used. It is of great significance to measure the frequency of radar signals quickly and accurately. The instantaneous frequency measurement (IFM...[Details]
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Zoss Automotive Research Institute released the "2024
Autonomous Driving
Simulation Industry Research Report".
On November 17, 2023, the Ministry of Industry and Information Tech...[Details]
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In December 2023, the Ministry of Industry and Information Technology, the Ministry of Finance, and the State Administration of Taxation jointly issued the "Announcement on Adjusting the Technical Re...[Details]
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New application requirements continue to promote the development of analog technology: performance is getting higher and higher, and integration is constantly improving. As an important member of a...[Details]
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7. Detection range and acoustic emission angle The detection range of an ultrasonic sensor depends on the wavelength and frequency used. The longer the wavelength and the lower the frequency, the gr...[Details]
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This article takes RFID products using magnetic coupling and CMOS technology as an example, briefly introduces the composition of such chips, and lists various destructive/non-destructive att...[Details]
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introduction Due to the pursuit of high frequency of inverters, the inherent defects of hard switching have become intolerable: large turn-on and turn-off losses; capacitive turn-on problems; dio...[Details]
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According to the information from the Guangdong Provincial Department of Industry and Information Technology, from January to August this year, Guangdong Province built 61,625 new 5G base stations, a...[Details]
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According to Tom's Hardware, Toshiba's new generation of 20TB mechanical hard drives will be launched soon. In addition to the near-line storage version for enterprise use, this series of SSDs also h...[Details]
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Therefore, we instruct students to use JPT-7 module to run GPS application in arm-Linux. Nand Flash space is too small, and the board used often cannot burn the root file system. So we decide to us...[Details]