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Although LED technology is the mainstream in today's market, there are still many unsolved problems in LED technology, and the lifespan, energy saving and price of LED have always been topics that ...[Details]
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汽车黑匣子就是汽车行驶记录仪,它是用来记录汽车在行驶中的状态。随着黑匣子在飞机上的成功运用,越来越多的国家也在汽车上运用这种技术。早在1990年以前欧共体就通过了在汽车上安装黑匣子的立法,要求欧共体的15个成员国在10年内给使用中的900万辆商用车中安装这个装置。美国、日本、香港及马来西亚等国家和地区也相继广泛使用汽车黑匣子
。从使用的效果来看,汽车黑匣子不但可以在事故放生后...[Details]
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Abstract: This paper introduces the development process and main development direction of switching power supplies, focusing on the working principle and process of phase-shifted soft-switching c...[Details]
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Chile's constitutional court on Thursday approved China's Tianqi Lithium's proposed $4.1 billion acquisition of a 24% stake in Chilean lithium producer SQM. The court rejected an appeal by SQM's co...[Details]
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Electric Vehicle News: Guoxuan High-tech's power battery cost was about 0.8 yuan/Wh in 2018, and the battery sales price has dropped to 1 yuan/Wh in 2019, with a gross profit margin of about 30%. Th...[Details]
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Constant current source circuit composed of MIC5158
The simple constant current source circuit with MIC5158 as the controller is shown in the figure. The output current of this circuit mainly de...[Details]
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Molex, a leading global supplier of a full range of interconnect products, offers the Brad® series of automation products to meet the needs of packaging equipment builders, robot manufacturers and...[Details]
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Principle: Transmit - reflect - receive is the basic working principle of radar level meter. The antenna of the radar sensor transmits electromagnetic wave signals in the form of a beam. The trans...[Details]
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On December 12, 2007, State Grid Corporation of my country successfully bid for the franchise auction of the National Transmission Company of the Philippines and won the 25-year franchise of the Ph...[Details]
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Note: 1. ROM: Read-only memory. The read-only storage area of a microcontroller is mostly used to store programs, also called program memory. The 51 microcontroller is an EPROM, and the so-called...[Details]
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introduction
The first decade of the 21st century has almost passed quietly, but the era of electric transportation that people longed for has not arrived as expected. When many electric vehic...[Details]
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New energy vehicles have three advantages: environmental protection, economy, and simplicity. This is particularly evident in pure electric vehicles: electric motors replace fuel engines, and are d...[Details]
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Zener diodes are widely used. Here is a simple method to accurately measure the voltage value of Zener diodes: As shown in Figure 1-1①, to measure the voltage value of Zener diodes below 15V, two...[Details]
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There have been reports recently that Apple is working on a new pair of wireless headphones under the Beats brand, called the "Beats Studio Buds." Although the product has not yet been officially rel...[Details]
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Industrial Personal Computer (IPC) is a computer system designed specifically for industrial environments, with the characteristics of high reliability, high stability, and high real-time performan...[Details]