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ETC is not a new product, so why has it taken so long to become an "Internet celebrity"? "You can get through the station in three seconds, and the toll is 5% off. The equipment is free, and you ca...[Details]
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1 Grating displacement sensor measurement principle
A grating sensor composed of a light source, two long gratings (indicator grating and scale grating), photoelectric detection devices, e...[Details]
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Behind the "using small to save big" strategy, the industry once again sees the difficulty of developing the new energy vehicle industry. At the center of the storm, the "white knight" that extend...[Details]
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On July 13, British commercial battery manufacturer AMTE Power signed a memorandum of understanding with MAHLE Powertrain (MPT), an engineering services subsidiary of the MAHLE Group. The memorandum ...[Details]
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Introduction
Photoelectric sensors use photoelectric elements as detection elements. First, the measured changes are converted into signal changes, and then the optical signals are further converte...[Details]
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After the first round of reshuffle, LeTV and Baofeng, which were once very popular, gradually disappeared from people's sight along with their founders. Jia Yueting, nicknamed Accountant Jia, went...[Details]
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With the continuous improvement of microelectronics process technology and IC design technology, the entire system can be integrated on a single chip, and the complexity of system chips is increasi...[Details]
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June 6 news, Milk-V Mars is a credit card-sized single-board computer that looks a lot like the Raspberry Pi. However, this small PC does not use an ARM-based processor, but a 1.5GHz StarFive JH711...[Details]
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Digital signal processing
Digital signal processing
is an emerging discipline that developed rapidly in the 1960s with the rapid development of information science and computer sci...[Details]
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Analysis by chart: ARM processors have seven operating modes in order to form different usage levels to prevent damage to the system. Different modes can access different registers and run differen...[Details]
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After the 220V AC is stepped down and limited by capacitors C1 and R1, the AC voltage at points A and B is about 15V. It is rectified by VD1~VD4. A DC voltage of about 14V is obtained on C2 as the ...[Details]
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51 single chip microcomputer 38 decoder to realize dynamic digital tube control code show as below: #include REGX51.H void delay(void) //delay function { unsigned char i, j; for (i=0;i 10;i++) ...[Details]
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In the second and third quarters of 2019, the OnePlus 7 series stole the limelight. Its powerful configuration and stunning screen effects captured a large number of users. In the fourth quarter, new...[Details]
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The 9012 triode is one of the most commonly used ordinary triodes.
It is a low voltage, high current, small signal PNP type silicon transistor
Collector current Ic: Max -500mA
Collec...[Details]
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According to the definition of the Internet of Vehicles Industry Technology Innovation Alliance, the Internet of Vehicles is a large system network consisting of in-vehicle network, inter-vehicle n...[Details]
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