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The typical circuit of the switching power supply made of UC3842 is shown in Figure 1. Overload and short circuit protection is generally achieved by connecting a resistor (R4) in series with the sour...[Details]
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The circuit of this device is shown in the figure. The AC voltage output by the magneto is rectified by diodes D1~D6 and becomes a pulsating DC voltage, which is output in two ways. One way is a ty...[Details]
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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 a...[Details]
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Rumor has it that the iPhone 12 will have the same wireless charging feature as the iPhone 11, but some people are also looking forward to Apple introducing reverse wireless charging support for the ...[Details]
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1. Project Overview 1.1 Introduction With the development of society, the blind people are more and more eager to pursue independent life and career, but to ensure safe and comfortable activities i...[Details]
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The package information may include: target device designation, code version, size, date, and other information useful to the user. This information can alert the operator that an older version of fir...[Details]
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The fashion trend of this year's Hot Chips (http://www.hotchips.org/) conference can be seen from the speeches, half of which focused on artificial intelligence acceleration. Hot Chips is an annual g...[Details]
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It is often heard that the short life of LED lamps is mainly due to the short life of the power supply, and the short life of the power supply is due to the short life of the electrolytic capacitor. ...[Details]
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CMMB wireless network test parameters
(1) RSSI (Received Signal Strength Indicator)
RSSI is the strength of the received signal. In a wireless environment, the signal attenuation ...[Details]
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Jiwei.com reported on November 24 that based on the existing Samsung patents and concept phones on display, Dutch 3D designer Jermaine Smit collaborated with LetsGoDigital to design a rendering of th...[Details]
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Recently, the "Research Report on Intelligent Cockpit Standard System" (hereinafter referred to as the "Report") organized by the Intelligent Connected Vehicle Sub-Standard Committee of the National...[Details]
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With the rapid development of modern life, people cannot live without electricity. In the process of using electricity, there are problems with electricity safety. In electrical equipment, such as m...[Details]
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Hardware platform: The processor is STM32F103R8, the board is a self-designed circuit board, digital tube display + CAN communication. Software development platform: Keil V5 Operating system: Fre...[Details]
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1. Introduction With the development of China's economy and society, lighting electricity consumption has accounted for 10% to 12% of the total electricity consumption. Lighting energy saving has bec...[Details]
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1: Source
When we learn ARM embedded development, we usually come into contact with ADS1.2 and kei project templates. These templates are a blessing for beginners, but if you want to learn mor...[Details]
FPGA/CPLD
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