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According to Jiwei.com on May 7, the Redmi K40 Game Enhanced Edition has been on sale. The official has specially answered some questions raised by consumers about the phone. Let’s take a look. Q: ...[Details]
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1-bit time characteristics In order to understand how to set the baud rate of STM32 CAN, we first need to understand the bit time characteristics. The bit time characteristic logic monitors the seria...[Details]
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This article will focus on the speaker amplifier and headphone amplifier performance requirements of smartphones, introduce ON Semiconductor's corresponding audio amplification solutions, and a new au...[Details]
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According to the statistics of SNE, in July this year, China occupied six seats in the top ten global installations, and these six seats provided more than 60% of the supply. Xie Qiu, senior vice pre...[Details]
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Sony has reportedly started selling a wearable air conditioner called Reon Pocket in Japan this month. The air conditioner comes with a special top, and users insert the device into a slot on the top...[Details]
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Vector network analyzers can measure impedance and Z parameters. However, in the specification manual, the impedance measurement range is rarely marked. How to determine the impedance measurement ran...[Details]
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1. Differences between analog and digital TV channel power In analog TV broadcasting, the peak power level is used to characterize the strength of the channel signal. When measuring the power level o...[Details]
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For a 10kv inverter, the secondary voltage of the phase-shifting transformer is 1900v, the DC voltage of the power unit is 2700v, and 3 power units are connected in series per phase, so only 9 powe...[Details]
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The Samsung Note 10 launch conference will be officially held at 4 am Beijing time on August 8, and the Galaxy Watch Active 2 watch was unveiled in advance recently. Samsung Galaxy Watch Active 2 I...[Details]
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The iPhone 12 no longer comes with EarPods and a charging head, which has sparked widespread discussion from the outside world, with both support and opposition. Some consumers are worried that Andro...[Details]
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Recently, more details surrounding Apple's first ARM-based MacBook have been revealed. Previously, it was reported that the machine will be equipped with a 12-inch display and will start at $799, mak...[Details]
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After the government and industry jointly invested 350 million pounds, the UK Research and Innovation Foundation (UKRI) recently announced that it would increase funding by another 153 million pounds...[Details]
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#include
#define uchar unsigned char;
uchar key_val=0; //define key value, the initial default is 0
uchar code TAB ={0x88,0Xbe,0Xc4,0X94,0Xb2,0X91,0X81,0Xbc, //74LS164 driver
...[Details]
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introduction
One approach to driving high-brightness LEDs is to modify the standard boost converter topology to drive a constant current through the load. However, this implementation pres...[Details]
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The "Chengxing Platform" has been successfully mass-produced on more than a dozen models
Shenzhen, China – October 23, 2024 –
BlackBerry today announced that Shenzhen Zhuoyu Technolo...[Details]
RF/Wirelessly
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