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Recently, an incident in which an Uber caused the death of a cyclist in a car accident has attracted much attention. Many people believe that Uber should bear the responsibility for the poor system...[Details]
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With the popularization of the Internet, the demand for using the network to transmit sound and video signals is also increasing. After radio and television and other media go online, they also hop...[Details]
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NXP has always provided support to designers in the defense field, launching efficient avionics devices and L/S-band LDMOS power amplifiers that can match the original bipolar process technology. The ...[Details]
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A servo motor is a rotary actuator or linear actuator that allows precise control of angular velocity or position, speed and acceleration of a line. It consists of a suitable electric motor connect...[Details]
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Although there are many types of LCD backlights, such as LED, EL, CCFL, etc., CCFL has become the mainstream backlight source for large-size LCD screens due to its high luminous efficiency. Traditi...[Details]
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On the morning of November 10, Apple today released the second beta version of the iOS/iPadOS 15.2 system to developers, which added some new features such as digital legacy, AirTag anti-tracki...[Details]
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2021 is a year of rapid development for automotive intelligent technology. During this year, concepts such as vehicle OTA, full-scenario voice interaction, digital cockpit chip, pilot assisted drivin...[Details]
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Scattering measurement methods are increasingly used for the measurement of complex structures and are gradually becoming dominant in the measurement of spacer layers. Spacer layers on the ...[Details]
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This winter, northern my country experienced extremely cold weather and heavy snow. Under such conditions, the endurance of new energy electric vehicles has been greatly reduced, which has become a ho...[Details]
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Tesla is a pure electric car brand that has been committed to accelerating the development of sustainable transportation with the most innovative technologies. A team in China called Youxia Motors ha...[Details]
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With the rapid growth of portable devices (battery powered) in the past decade, voltage regulators such as the original industry standard LM340 and LM317 have been unable to meet new needs. These regu...[Details]
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With the popularization of computers, electronic pens have developed rapidly as a new human-computer interaction tool. In China, Hanwang has always been in a leading position in handwriting recognitio...[Details]
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Capacitor ceramics with high dielectric constant (barium titanate-titanium oxide) are extruded into round tubes, discs or disks as dielectrics, and silver is plated on the ceramics as electrodes by...[Details]
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As we all know, many of Microsoft's cross-platform applications and services, such as Word, have exceeded the milestone of 1 billion downloads. Microsoft is making the name Windows Defender a thing o...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
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