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Spring has arrived early in the south, and people are busy resuming work and production. Recently, China Southern Power Grid Co., Ltd. has introduced measures to support epidemic prevention and con...[Details]
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At 7:30 tonight, Xiaomi held the "first half" of its spring new product launch conference, releasing a number of new products represented by the Xiaomi 11 Ultra. Xiaomi Mi 11 Pro: The best Android ...[Details]
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1) Overall idea
Since the measurement of the energy meter requires continuity, and the main power supply system cannot be continuous, please note that there is a problem of power failure detection...[Details]
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Airborne radio stations are responsible for air-to-air and ground-to-air communications. To ensure the performance of radio stations, they need to be inspected regularly. Detectors based on sing...[Details]
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The output characteristics of photovoltaic cells in photovoltaic power generation systems have a unique maximum power point (MPP), and the maximum power point of photovoltaic cells needs to be tr...[Details]
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Xinhua News Agency reported in the evening that on October 13, Taiwan announced that a Taiwanese resident who returned to Taiwan from Jiangsu on the 11th was an imported case of COVID-19 and notified...[Details]
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1. Detection of high voltage capacitors Before testing high-voltage capacitors, the high-voltage short circuit in the circuit and at both ends of the capacitor should be completely discharged, an...[Details]
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Preface
Multi-
sensor
information fusion technology is an important method in the current field of intelligent information processing. The so-called multi-sensor information fusion ...[Details]
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Switching power supplies have always been very important equipment in electronic testing and measurement. Due to their advantages such as high conversion efficiency and small size, switching power su...[Details]
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On October 23, Mengshi Technology signed a "Lithium Battery Project Cooperation Agreement" with the Sanmenxia Urban-Rural Integration Demonstration Zone Management Committee and Sanmenxia Investmen...[Details]
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DMA (Direct Memory Access) is often translated as "direct memory access". DMA has been used as early as Intel's 8086 platform.
A complete microcontroller is usually composed of com...[Details]
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Power measurement is the most basic electrical parameter, and the measurement methods can be divided into direct method and conversion method. The direct method uses thermocouples, thermistors and ot...[Details]
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The thermal performance of LED products has a great impact on their optical, color, electrical performance, reliability, and service life, so their thermal management design and measurement are v...[Details]
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51 single chip microcomputer——LED dot matrix screen LED dot matrix screen LED dot matrix screen principle 74HC595 serial-to-parallel converter chip source code Show results Show results Rou...[Details]
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Usage Environment
PC: Centos5.4
kernel: 3.0.1
corss: arm-linux-gcc 4.4.1
arm: s3c6410
...[Details]
PCB Design
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