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The sound wave frequency exceeds the human hearing and the sound wave with a frequency higher than 20 kHz is called ultrasonic wave. The frequency of ultrasonic wave used for flaw detection is 0.4-25 ...[Details]
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This article introduces a simple and easy-to-make oscilloscope, which is based on the old tube two-line oscilloscope SBR-1. The Y-axis frequency response is 0-1MHz, the sensitivity is 2mV/cm-20V/cm...[Details]
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If you want to use CoLinkEx to debug other devices, you can break CoLinkEx apart (recommended to avoid LPC1114 interference with debugging), and then use J2 or J4 of CoLinkEx to connect other devices:...[Details]
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We've seen a lot of Surface Duo cases since it went on sale in October, but what if you want to completely replace the back glass? One Surface Duo user replaced the back glass with an aluminum cov...[Details]
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Affected by the epidemic, Uber's global orders in April fell by 80%, and its performance in the future may be even less optimistic. In order to cope with difficulties such as a sharp decline in reven...[Details]
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(1) For various fans and pumps, since P∝n is the cube of n, the power saving effect is significant and frequency converters should be used first. The specific values are shown in Table 1.
Ta...[Details]
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//2440INIT.S ;The location of stacks UserStack EQU (_STACK_BASEADDRESS-0x3800) ;0x33ff4800 ~ SVCStack EQU (_STACK_BASEADDRESS-0x2800) ;0x33ff5800 ~ UndefStack EQU (_STACK_BASEADDRESS-0x2400) ;0x33f...[Details]
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New era, new dream. In recent years, with the rise of new energy vehicles and energy storage batteries in China, Liancheng County has relied on its rich manganese ore resources to pursue the dream ...[Details]
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A junior female student invented a solar panel that was originally fixed and rotated with the sunlight, thus extending the duration of illumination. Yesterday, a reporter learned from the School of Fo...[Details]
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illustrate
This is a simple to build microcontroller controlled power supply that can switch between pre-set voltages (or 32 or more) between 1.2 and 33 volts DC and up to 3 amps. This guide w...[Details]
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On September 30, the Tata Electronics iPhone parts factory in southern India suffered a sudden fire on September 28, causing the factory to stop production. The Tamil Nadu authorities are currently...[Details]
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0 Introduction
In some industrial production processes, such as constant temperature furnaces, warehouse storage, flower planting, small greenhouses, etc., there are strict requirements on...[Details]
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The development of society and the continuous improvement of human living standards have made human beings have higher and higher requirements for the living environment, so the application of centra...[Details]
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light source
The machine vision system mainly consists of three parts: image acquisition, image processing and analysis, and output or display. Image acquisition is the core of machine vision,...[Details]
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Nielsen, a global market research organization, recently released the Sport 2024 research report during the Paris Marathon. The data shows that 68% of consumers have the habit of listening to music...[Details]
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