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呼吸率是一项重要的生命征象,有助于瞭解一个人的整体健康状况和睡眠品质。呼吸率和呼吸方式也被认为是反映个人基础健康状况的良好指标。虽然目前市场中的技术都承诺能够准确可靠地进行监测,但大多数并不理想——有的不够准确而必须不断地调整,有的则是用起来并不舒服。 This article discusses the various existing methods for measuring and ...[Details]
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/* When using the 51 series MCU, it is sometimes necessary to simulate the I2C bus. */ /* Here is an example (read and write serial EEPROM chip at2402) */ /*******************************************...[Details]
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Jiwei.com reported on March 6 that various annoying pop-up ads "come unannounced" when opening web pages and logging into clients. At this year's National People's Congress and the Chinese People's P...[Details]
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On August 16, news from Silicon Valley analysts stated that they learned from the supply chain that with the rapid growth of the HMS ecosystem and the pressure from the external environment, Huawei h...[Details]
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The 89C51 microcontroller has four working modes: reset, program execution, low power consumption, and programming and verification. 1. Reset method (l) Reset Operation Reset is the initialization op...[Details]
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According to Taiwan media Economic Daily, TSMC will build a wafer factory in Phoenix, Arizona, and is expected to produce 5-nanometer process products in the first half of 2024. The relevant factory ...[Details]
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On October 10, the final of the 9th Tsinghua Alumni Innovation and Entrepreneurship Competition (Energy Technology Track) co-organized by the Tsinghua Alumni Association, Changping District Talent ...[Details]
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Set the period by calculation. #include msp430f149.h void main( void ) { // Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; //WDTCTL = 0X5A80;关狗...[Details]
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(Image source: University of Utah) According to foreign media reports, it is estimated that up to two-thirds of heat energy is wasted in the United States each year, for example, car engines, la...[Details]
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This article talks about the memory of PIC18F66K80 1. Program Memory What is program memory? Program memory is usually read-only memory used to store application code. It can also be used to store d...[Details]
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How to make the front panel of the waveform chart transparent, but still be able to see the scale and display things! Because you also need to see the things displayed by the other waveform graph behi...[Details]
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Since 2018, the domestic Android camp has gradually begun to introduce ToF sensors in new models. For example, OPPO's R17 PRO has added a new ToF lens, which uses depth information to form more detai...[Details]
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On August 29, Ninebot held a product tasting event for the Segway energy storage power supply Cube series in Beijing.
In terms of product reliability, different from traditional white applianc...[Details]
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Recently I read something shared by Tough Guy: Why is the main function called directly in the reset interrupt service routine? Are all programs executed in the reset interrupt? First of all, Res...[Details]
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Recently, Littelfuse released its third-quarter financial report on October 29, 2024. According to the financial report, net sales in the third quarter were US$609.8 million, a year-on-year decreas...[Details]