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According to foreign media reports, digital consumer lending platform RevFin has reached a strategic partnership with Indian enterprise Internet of Things (IoT) technology company Aeris Communication...[Details]
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Universal stepper motor drivers are all constant current choppers. So in practical applications, what effect do the driver driving voltage and driver setting current have on the performance of the ...[Details]
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Automatic light off circuit
Some lighting lamps do not need to be always on. The automatic light-off circuit shown in the figure brings convenience. When lighting is needed, just press switch K ...[Details]
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introduction
三相异步电机是广泛使用的一种动力机械,每年的耗电量占我国总耗电量的50%以上。在满负荷工况条件下,电机的效率一般较高,通常在80%左右;然而,一旦负荷下降,电机的效率便随之显著下降。因为电机选型时是按最大可能负荷和最坏工况所需的功率而定的,多数电机在大部分运行时间的负荷率都在50%~60%,所以实际运行时的效率都是比较低的。因此,提高这部分电机的运行效率,...[Details]
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element14 supplies Mounts Torque range of high precision torque and calibration tools for quality and process control Shanghai, China, July 12, 2021 – Farnell, the global electronic components prod...[Details]
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Batteries, motors and electronic control systems are the three key components of new energy vehicles, among which the power battery is the most critical link, which can be said to be the "heart" of n...[Details]
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First, let me briefly introduce the STM8L151G6U6. This MCU is a member of the STM8L ultra-low power series. Compared with the 152 series, it only lacks the LCD function. The power consumption of each...[Details]
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Introduction IGBT is an insulated gate bipolar transistor. It is a new type of power switching device and voltage control device. It has the advantages of high input impedance, fast speed, strong ...[Details]
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To achieve the breathing light effect, the main thing is to determine the frequency. There are two aspects of the frequency: ① How fast the LED is switched on and off, ② How fast the pulse width is m...[Details]
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BRUSSELS (Reuters) - Germany’s electric car charging stations will be investigated by the country’s antitrust regulator, the Bundeskartellamt, following a flood of complaints that they are too expe...[Details]
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DDR 1&2&3 Bus Overview The full name of DDR is Double Data Rate SDRAM, or DDR for short. Now DDR technology has developed to DDR 3, which can theoretically support a speed of 1600MT/s. The DDR bus ha...[Details]
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1 Introduction
Based on the USB host controller interface specifications published by Compaq, Microsoft, etc., and following the USB host protocol specifications, this paper develops a USB host und...[Details]
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The selection of lighting equipment is one of the important factors in the performance of lighting design results. With the innovation of lighting technology, LED lighting has developed rapidly...[Details]
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After the outbreak of the COVID-19 epidemic, a mysterious "courier" shuttled through the streets of Wuhan and successfully delivered medical supplies to Wuhan No. 9 Hospital - this was the first smar...[Details]
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Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, working principles, appli...[Details]