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Terminal market demand continues to be sluggish, and the overall price reduction of wafer foundries is not yet obvious. As a result, chip costs are still at a high level. IC design companies are faci...[Details]
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This is the interrupt timer principle of 51 MCU that I summarized, and I will attach the attachment later. This is my first post, so please forgive me for any shortcomings! The text I summarized is ...[Details]
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Figure 1 shows the main circuit of the push-pull inverter and its operating waveform. The inverter is composed of a center-tapped transformer, two switch tubes V1 and V2, and two diodes D1 and D2. ...[Details]
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void curve(unsigned char xlable,unsigned char ylable,bit dot) { unsigned char H ={0};//Read RAM register unsigned char L ={0}; unsigned char xbuf; w_com(0x01); w_com(0x34); w_com(0x36); //Fun...[Details]
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The most far-reaching technological change in terms of touch screen performance is the shift from resistive to capacitive touch screen technology. According to market research firm iSuppli, by 2011, ...[Details]
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O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
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According to foreign media reports, a research team at Daegu Gyeongbuk Institute of Science and Technology (DGIST) in South Korea has developed a technology to prepare a porous silica interlayer by l...[Details]
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据外媒报道，全固态电池是一种所有部件都是固体的电池，由于其能够存储更多能量，而且具备操作更安全的潜力，已成为替代 锂离子电池 的下一代电池，受到了人们的关注。如果固态电池能够实现量产，将能够给 电动汽车 （EV）行业带来革命性的变化，因为其可有效增加电动汽车的续航里程，以及可以显著降低电动汽车体积和重量。但是，固态电池在实际电流下循环（反复充放电）后会发生故障，这也是阻碍其实现大规模商业化的障碍...[Details]
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Brushless DC Motor Speed Regulation Principle
The speed of a brushless DC motor is controlled by controlling the current flowing through the motor. The speed of the motor is related to the c...[Details]
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In industry, it is generally necessary to measure various non-electrical physical quantities, such as temperature, pressure, speed, angle, etc., which need to be converted into analog...[Details]
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The core of the in-car air purification system is the air purifier, which is also called "air cleaner", air freshener, and purifier. It refers to a product that can absorb, decompose or transform var...[Details]
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At the 12th China Hard Technology Industry Chain Innovation Trend Summit held recently, Qorvo China Senior Sales Director Jiang Xiong shared Qorvo's technological innovation and market opportunitie...[Details]
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Note: The chip used in this experiment is PIC24FJ256DA210, and the development environment used is: MPLAB IDE v8.92, and the compiler tool is xc16-gcc.exe If the configuration word of the PIC micro...[Details]
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After days of struggling with the DS18B20 temperature display, I finally got it right. At first, it either couldn't display the temperature normally or jumped randomly. The reason is that the timing ...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
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