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This is an enhanced version of a simple garage/shed alarm. The entry and exit delays have been increased to about 30 seconds - I have added a timed siren cut out and automatic reset. I have also ...[Details]
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When the watt-hour meter is connected to the circuit under test, the voltage U of the circuit under test is applied to the voltage coil, forming an alternating magnetic flux in its core. A part of thi...[Details]
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With the acceleration of my country's urbanization process, LED street lights have gradually come into people's view with their advantages of directional light emission, low power consumption,...[Details]
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I2S bus principle and examples
I2S (Inter-IC Sound Bus) is a bus standard developed by Philips for audio data transmission between digital audio devices. Philips' I2S standard specifi...[Details]
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On January 27, Rockchip released its performance forecast, stating that the company expects to achieve a net profit attributable to shareholders of listed companies of RMB 286.5898 million to RMB 337...[Details]
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The circuit in Figure 1 can create 32° hue of light using red and green LEDs . A constant current is divided into two parts. One part flows through a red LED and the other part flows through a gree...[Details]
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The annual Lei Technology annual list selection has kicked off! As previously announced, we will launch major lists starting from December 21, covering more industries and products, allowing 1.6 mill...[Details]
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Check whether the high-voltage circuit is normal. If the low-voltage circuit is normal but charging still cannot be completed, check the high-voltage circuits between the charging cable, slow-charg...[Details]
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1. Project Overview 1.1 Introduction Energy shortage is a new problem facing the world in the 21st century. In addition to finding new energy reserves, energy conservation and efficiency improvem...[Details]
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First of all, it should be pointed out that no development tool is omnipotent, and no tool has absolute advantages in all aspects. For the choice of Keil MDK-ARM and IAR tools, you can choose accordi...[Details]
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Banks are rushing to adopt artificial intelligence (AI)-based programs to help facilitate digital transformation, The Korea Times reported. The collective actions taken by many financial services c...[Details]
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Spectrum analyzer, also known as spectrum analyzer, is a tool for analyzing signal characteristics in the frequency domain, such as the signal's frequency distribution, frequency, power harmonics, cl...[Details]
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On the evening of April 22, Guanghong Technology disclosed its 2020 annual report. During the reporting period, the company achieved operating income of 2.285 billion yuan, a year-on-year increase of...[Details]
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The new iron fluoride cathode has more than twice the lithium capacity of traditional cobalt or nickel cathodes, and the raw materials are cheaper. As the demand for power batteries continues t...[Details]
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Today’s cars are computers on wheels, with multiple systems constantly communicating with each other to provide intelligence that keeps drivers and passengers safe, comfortable, and entertained whi...[Details]
Analog electronics
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