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1 Device characteristics
The DS12C887 real-time clock chip has rich functions and can be used to directly replace the clock calendar chip DS12887 on the IBM PC. At the same time, its pins are als...[Details]
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SAIC Passenger Vehicle, a subsidiary of SAIC Motor Corporation, has recently finalized a cooperation agreement with Horizon Robotics, a "unicorn" in the smart chip industry. SAIC Motor will use SAIC ...[Details]
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In serial asynchronous communication, there are many design ideas for realizing automatic baud rate detection and adaptation, but they either require additional hardware support, or the implementat...[Details]
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Earlier this year, OPPO released K series phones including OPPO K9, OPPO K9 Pro, OPPO K9s, and now it has launched OPPO K9x. OPPO K9x has a 6.5-inch LCD punch-hole screen with a full HD+ resolution...[Details]
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WENZHOU, Nov. 3, 2024 /PRNewswire/ -- Recently, the 30.09MW/60.18MWh user-side energy storage power station project of Dongfang Special Steel, supported by Ruipu Lanjun, was officially connected to...[Details]
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Smart bracelets are the star products in the smart wearable ecosystem. GNSS trajectory positioning, health indicator monitoring, sports mode, etc. further blur the boundaries between bracelets and ...[Details]
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On April 19, the three major A-share indices rose across the board. In the consumer electronics sector, Apple concept stocks surged and saw a "limit-up surge". Among them, large-cap stocks Goertek a...[Details]
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Working principle of PIC microcontroller's 4×4 column keyboard:
(1) Principle of single chip computer system keyboard
The connection method of the column keyboard is more complicated than...[Details]
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On August 18, Chongqing Liangjiang New Area held a "cloud signing" event for key projects of the Smart Expo. The total contract value reached 46.3 billion yuan, and 25 signed projects involved multip...[Details]
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On December 7, Alipay (Hangzhou) Information Technology Co., Ltd. announced a patent for "method, device and equipment for automatic identification of vehicle traffic violations", with the applicatio...[Details]
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The vision of smart home is to help you make your life simpler, such as helping you cook food, buy ingredients, automatically clean, open the curtains in the morning to gently wake you up, etc., but ...[Details]
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Every PCB needs quite a few bypass capacitors to offset the inductance of the power lines. But each PCB actually only needs one ideal bypass capacitor to completely solve the power distributi...[Details]
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As one of the most promising high-tech industries in the 21st century, LED lighting has attracted much attention in terms of product design, R&D, application, testing and certification. Although ...[Details]
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PIC microcontroller is one of the most commonly used microcontrollers, and many programs are developed based on PIC microcontrollers. Therefore, it is particularly important to be proficient in PIC m...[Details]
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1. Introduction to OTA testing
1.1 Passive and active testing of mobile phones
Currently, more and more attention is paid to the testing of the radiation performance of the whole machi...[Details]