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Without the help of a timer, how can you ensure that you brush your teeth for the recommended 2 minutes? The people behind the smart toothbrush Beam Brush said: The average brushing time is only 46 s...[Details]
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"Lack of core components" is a major problem in the development of China's information industry. The successive chip supply cuts faced by ZTE and Huawei from the United States have further highlighte...[Details]
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introduction
Flashlights, MR-16 bulb upgrades, emergency lights, and just about any low-
power
white-lighting application are already using
LED
technology.
Streetlights ma...[Details]
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According to foreign media reports, engineers from Duke University in the United States and the Institut de Physique de Nice in France have developed a new method to use microwaves to identify objec...[Details]
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Function description: PWM, by changing the duty cycle, PWM_T/100, where 100 is the period, each key press will give PWM_T a fixed value, thus changing the output waveform. #include reg52.h sbit P10...[Details]
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0 Introduction
Ultrasonic distance measurement is a non-contact detection method. It has been widely used in recent years due to its simple and compact structure, high reliability, low price, strong...[Details]
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Simply put, transient recovery time is the length of time it takes for the power supply to return to a set level after a load is applied. People who do not design power supplies generally take it for...[Details]
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In recent years, 3D printing technology has gradually become a hot topic in the fields of advanced equipment manufacturing, structural design and new materials. Developed countries such as Europe and...[Details]
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A Russian court on Thursday overturned a ruling that banned Samsung Electronics from exporting and selling 61 smartphones to Russia last year, a Samsung Electronics lawyer revealed. This means that u...[Details]
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The STM32 timer has a PWM input capture mode. PWM input capture is a special case of timer input capture, which is specifically used to measure the frequency and duty cycle of the PWM wave (the chip d...[Details]
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Introduction: With the development of spectroscopy, spectrometers have been widely used in the online and offline measurement of gemstones. In particular, micro-spectrometers are used in the online h...[Details]
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Some applications require holding a sample of an analog voltage. There are at least two traditional methods to meet this requirement. The most common approach is to cascade a classic analog accumul...[Details]
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Introduction: The block diagram of the automobile air conditioning control system is shown in Figure 1. The system consists of key scanning, voltage detection, temperature detection, fan control, com...[Details]
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The 2790 Digital SourceMeter Switching System provides users with a high-voltage, multi-channel resistance measurement solution that can quickly and simply implement electrical inspection of airbag i...[Details]
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In recent years, with the accelerated development of intelligence, electrification and networking, cars are transforming from a single means of transportation to a third space that integrates leisu...[Details]