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The use of biometric authentication technology to replace the traditional use of keys, ID cards, passwords and other methods for personal identity authentication can be widely used in access manage...[Details]
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When Apple introduced a new version of CarPlay at its Worldwide Developers Conference (WWDC), it was no longer a software update, but a showcase for the company's most exciting product: electric cars...[Details]
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1. Working principle of the double-touch lighting circuit: The double-touch lighting switch circuit is shown in Figure 22. VS and VD7 form a switch circuit. When a person touches the M1 (open) ele...[Details]
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1.1. MCU code processing // Define the timer pre-scaling, the actual clock frequency of the timer is: 72MHz/(STEPMOTOR_TIMx_PRESCALER+1) #define STEPMOTOR_TI...[Details]
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Oscilloscopes are indispensable tools for people to design, manufacture or repair electronic equipment, and are likened to the "eyes" of engineers. However, most people's impression of oscilloscopes ...[Details]
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Network sorting EvoNexus is launching an incubator program to recruit and support startups developing the 5G ecosystem. Tech giant Qualcomm has signed on to support the initiative as a sponsor. ...[Details]
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The 2019 Celebration of the "May 1st" International Labor Day and the National May 1st Labor Award and National Worker Pioneer Commendation Conference were held in the Great Hall of the People in Bei...[Details]
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The practical detection technology of the engine is a technology that conducts qualitative and quantitative analysis of the technical condition and potential faults of the engine based on the comparis...[Details]
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The reason for using assembly is very simple, that is, the efficiency of assembly code. When the machine starts, the efficiency of assembly is used to initialize the hardware and provide...[Details]
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In order to implement the national dual carbon goals, give full play to the advantages of both parties, and promote the full development and utilization of Youyu's new energy resources, China Tiany...[Details]
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"The increasing degree of chip integration and computing power have become the key to the development of smart cars towards a centralized architecture, and are crucial to expanding smart driving scen...[Details]
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This paper introduces an adaptive echo canceller for IP phones. It is implemented using a normalized least squares (NLMS) adaptive filter, including a speech mode detector and a coarse delay estima...[Details]
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Active matrix organic light emitting display devices (OLED) have the advantages of fast response speed, luminous efficiency, brightness and wide viewing angle. Related companies and R&D personnel hav...[Details]
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At present, the reversing device commonly used in my country is ultrasonic reversing radar. Although this device can accurately measure the distance between the rear of the car and the obstacle beh...[Details]
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Fixed structure of lower shell camera
The fixing structure of the lower shell camera is similar to that of the upper shell camera. Both use PFC or connectors to connect to the mainboard. Both need ...[Details]