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The main function of the watchdog timer is to reset the system after the program runs away due to interference, so as not to make the system die forever.
Its principle is not much different from t...[Details]
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How to protect the power supply of the USB port of the mobile phone? From the current market, most mobile phone manufacturers have uniformly adopted the micro USB interface as the charging and data in...[Details]
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On December 20, CATL and Changan Automobile held a signing ceremony for a joint venture project in Chongqing. Qu Tao, general manager of CATL's strategic investment planning department, and Wan...[Details]
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On April 23, Weilan Technology released its first quarter report of 2020, stating that the company achieved operating income of 3.817 billion yuan in the first quarter of 2020, a year-on-year increas...[Details]
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It is reported that Luxshare Precision and Goertek's stock prices have been relatively weak due to the expected decline in TWS headphones. On the one hand, the previous downward adjustment of TWS hea...[Details]
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As with most electronic components, cost/performance is a major concern. AC/DC modules cost many times more than a comparable AC line transformer, diode bridge, smoothing capacitors, and linear reg...[Details]
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If there is any device that can replace smartphones in the future, the answer may be wearable devices. Sources revealed that Facebook has cooperated with Italy's Luxottica, the world's largest sung...[Details]
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From March 12 to 13, in order to increase the acquisition of electrochemical energy storage projects and biomass chemical projects, Feng Xingjian, Party Secretary, Chairman and General Manager of S...[Details]
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According to Reuters, Google faced a class-action lawsuit seeking more than $5 billion on Tuesday local time, accusing it of illegally violating the privacy of millions of users by widely tracking th...[Details]
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Fluorescent tube power supply
A 2N3055 oscillator (Q1) drives a Japanese transformer wound on a 5/16.5-inch ferrite sub-peak. S2 is used as a filament switch, but can be omitted if necessa...[Details]
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Using MSP430 address bit multi-machine protocol communication program
Original work of Microcontroller Forum Author: tianxy
Dear colleagues, in response to the call of the moderator, I now make ...[Details]
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Large-screen displays based on LED technology have been widely used in public places such as squares, airports, stadiums and stations to display multimedia information such as text, animation, images ...[Details]
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There is a C51 project in this section, which uses Xinhualong's C51 F020 single chip microcomputer. The project aims to realize a 4*5 matrix keyboard. The matrix circuit diagram is as follows
...[Details]
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As Apple pushed the official version of iOS 14.2 to users last week, they officially stopped signing iOS 14.1 and iPadOS 14.1 today, which means that users who updated their devices to iOS 14.2 can n...[Details]
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The circuit principle of the junction field effect transistor voltage-controlled gain amplifier is analyzed , and the characteristics and practical value of its circuit are explained, providing a the...[Details]
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