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introduction
Scientists call the number of vibrations per second the frequency of sound, and its unit is Hertz. The frequency of sound waves that our human ears can hear is 20 to 20,000 Hz. W...[Details]
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1 Introduction
With the continuous expansion of the application field of switching power supplies, its electromagnetic interference has become a very serious problem. In order to make power s...[Details]
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1. How to use the measuring projector
1Replacement and adjustment of lighting bulbs
This work only needs to be done when replacing the bulb or checking the instrument regularly. Sometimes the...[Details]
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According to an internal document obtained by MacRumors, Apple acknowledged that some displays of the iPhone 12 exhibited unusual light changes such as flickering, greenish or white glow under certai...[Details]
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For Flash-based MCUs , ISP and ICP are almost indispensable functions, but we are often confused by these two functions. What is the difference between them? What does it mean to customers? Here, we s...[Details]
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The intelligent vehicle terminal that combines gpsOne positioning technology, CDMA communication technology and GIS technology can cooperate with the control center to realize various applications ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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On the morning of January 15, leaders of relevant units of the Ethiopian Hunan Industrial Park and Economic Development Zone led a delegation of more than 30 Africans to visit Naipun. The Ethiopian...[Details]
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On September 6, Fudan Micro stated in the latest disclosed investor activity relationship table that the company achieved operating income of 282 million yuan in the first half of 2020, an increase o...[Details]
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Abstract: This paper introduces a general method for simulating power electronic circuits using Matlab. This method can obtain a large signal nonlinear simulation model of power electronic circu...[Details]
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To update the LCD, the contents of the LCDDATA register can be modified to light or unlight each pixel on the LCD display. The application firmware typically creates modifications to buffer variables...[Details]
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1. Write C51 code to realize the changing pattern of running lights: /*********************************************************** * Experimental function: LED to realize the flower-shaped control o...[Details]
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1. The following variables need to be defined in a program:
(1) Define the common cathode display code array dis_code (0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f) for the digital tu...[Details]
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Hot money continues to pour into the autonomous driving industry, and a major war is about to break out. Whether it is General Motors-Honda-Cruise, Toyota-Uber, Volkswagen-Ford-Argo, Hyundai Kia-Am...[Details]
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The first step to transform an ATX is to find a power supply. Of course, this power supply must be good! It doesn’t matter if it’s a knockoff, but it’s recommended not to use a too good one, becaus...[Details]