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Basic key program structure analysis: 1 void key_scan(void) 2 { 3 if (!key) //Check if the key is pressed 4 { 5 delay_ms(20); //delay debounce, usually 20ms 6 if(!key) 7 ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Today, blogger @数码闲聊站 revealed that the three flagships, Redmi K50 Gaming Edition, Redmi K50 and Redmi K50 Pro, all have side physical fingerprint solutions. Later, one model will use an under-...[Details]
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China Mobile announced in various public occasions in early July that it will build more than 50,000 5G base stations this year, realize 5G commercial services in more than 50 cities, and provide uni...[Details]
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DC current sources with good stability, high precision and presetable output are often used in electronic equipment. The numerically controlled DC current source designed in this article can well redu...[Details]
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A sudden epidemic made the 2020 Spring Festival different. "Go out less, don't go out, wear a mask, and wash your hands frequently" became the most common reminders. Through this epidemic, the whol...[Details]
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In low-power applications, the MCU is usually in halt mode, and occasionally wakes up (external interrupt or internal timer wake-up) to enter run mode. So to compare low-power performance, generall...[Details]
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With the development of automated logistics, intensive storage has been used more and more widely and has become an important part of modern logistics. As one of the key equipment in the intensive ...[Details]
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The adjustable three-terminal voltage regulator can output a continuously adjustable DC voltage. Common products are shown in Figure 4. Among them, the CW317 series voltage regulator outputs a contin...[Details]
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Avalanche photodiode (APD) is a high-sensitivity, high-speed photodiode. When reverse voltage is applied, its internal gain mechanism can be activated. The gain of APD can be controlled by the ampl...[Details]
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Before the graduate school started, I moved to the laboratory to help my supervisor in order to learn more.
My mentor gave me a
labVIEW
project, which was not difficult, and he comp...[Details]
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The basic principle of PWM control
PWM (Pulse Width Modulation) is a commonly used control method that controls the working state of devices or components in a circuit by adjusting the pulse w...[Details]
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On June 10, the official website of the Chinese Academy of Sciences published an article stating that the Shanghai Institute of Optics and Fine Mechanics has made important progress in the research o...[Details]
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Principle and circuit anatomy of shaver charger:
When XP is plugged into AC 220V, LED VD2 displays charging indication. Charging circuit is formed by rectifier diode VD3, resistor R2, diode VD1, res...[Details]
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Since 2021, the penetration rate of China's hybrid market, especially plug-in hybrid vehicles (PHEVs), has increased significantly.
According to the report, the market penetration rate...[Details]
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