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This transistor power amplifier circuit uses only four transistors in a quasi-complementary amplifier configuration to deliver 90W of power into a 4-ohm load at a low cost.
As shown in t...[Details]
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Toyota Motor Corp.'s modified Mirai hydrogen fuel cell vehicle went on sale on Dec. 9, with a range that's about 30 percent longer than before. The move is the latest in a series of efforts to promot...[Details]
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Background
With the popularity...[Details]
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Boston Dynamics, a company that has been committed to developing the world's most advanced humanoid robots for the past decade, recently announced its latest achievement: a new electric Atlas human...[Details]
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According to media reports, Samsung released monthly security updates and smartphones sold since the end of 2014 have a "perfect 10" critical security vulnerability that can enable arbitrary r...[Details]
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/************Port definition, can be modified*****************/
sbit ledrs=P2^3; //Read and write control word
sbit leden=P2^5; //Enable control word
sbit ledrw=P2^4;
void write_com(uchar com)...[Details]
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The following error occurred when writing to the file system:
NAND erase: device 0 whole chip
Skipping bad block at 0x00254000
Skipping bad block at 0x00258000
Skipping bad block at 0x0025c000
Sk...[Details]
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According to foreign media reports, a team led by researcher Liu Zhaoping from the Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, proposed an analysis ...[Details]
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For 802.11 a/b/g PCMIA network cards, if you apply for an FCC ID, there are requirements for SAR testing. Whether the test is needed is based on the output power of the product. First, a calculation f...[Details]
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We know that all LEDs must be powered by a constant current source, but many street lamp manufacturers currently look for a suitable constant current module after the LED module has already been de...[Details]
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A switched-capacitor voltage inverter configured as a "rail splitter" (IC1 in Figure 1) provides a bipolar (dual-rail) local power supply that is useful in single-rail systems featuring one or more du...[Details]
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introduction
The next generation of rear-seat entertainment systems must cover a wider range of data sources than the car's in-vehicle entertainment and audio-visual systems, provide stronger ...[Details]
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The full name of Car Reversing Aid Systems is "reversing anti-collision radar", also known as "parking aids". It is a parking safety aid for cars. It can inform the driver of the surrounding obstacles...[Details]
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Convert the floating signal between any two points into a relative ground signal through the differential probe. For use with electricity meters, oscilloscopes, or computers. Most electronic circui...[Details]
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New 3D bioprinter. Image source: University of Melbourne, Australia
Scientists at the University of Melbourne in Australia have developed a new high-speed 3D printer. This advanc...[Details]