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LED display screen is a new type of information dissemination media that has developed rapidly in the world since the late 1980s. It is a large-scale display system that integrates microelectronics...[Details]
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2020 was a year of ups and downs and worth remembering for Fastems China - Fenfa Automation. Under the impact of the global epidemic, we not only felt the challenges of project implementation, but al...[Details]
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1. Main clock source There are four clock sources that can be used as the master clock: (1) 1-24MHz high speed external crystal oscillator (HSE) (2) Maximum 24MHz high-speed external clock sign...[Details]
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18B20 Temperature LCD Display Program #include AT89X51.H //Device configuration file #include intrins.h sbit LCM_RS=P3^3; //Pin definition sbit LCM_RW=P3^4; //Pin definition sbit LCM_EN=P3^5; //P...[Details]
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introduction Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing power con...[Details]
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introduction
Traditional monitoring systems can be roughly divided into four types: anti-theft and fire alarm monitoring systems, access control systems, attendance or patrol systems, enviro...[Details]
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In recent years, the development of technologies such as AI, IoT, and 5G, as well as the widespread deployment of smart terminal devices, has led to a geometric growth in the amount of data. As mor...[Details]
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The Biden administration wants to shift the burden of cybersecurity from individuals, small businesses and local governments to automakers and other large companies. The White House’s National Cybe...[Details]
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Broadband routers, as a network sharing device, are increasingly appearing in our lives, work, and study. Because of their many advantages such as convenient networking, security and reliability, a...[Details]
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1. Pitfalls for beginners In the previous code, the passive buzzer keeps beeping as soon as the microcontroller is powered on, which is quite noisy. So is there any way to set a time limit for it to...[Details]
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During the National People's Congress and the Chinese People's Political Consultative Conference this year, Zou Lei, member of the National Committee of the Chinese People's Political Consultative Con...[Details]
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In 2022, the growth of China's new energy vehicle market will far exceed expectations. At the same time, affected by the increase in the amount of electricity charged by bicycles, the installed capac...[Details]
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According to the bus structure, it can be divided into bus type and non-bus type. For example, the 89C51 microcontroller we often see is a bus structure. The 89C51 microcontroller has a data bus, an ...[Details]
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LED Lighting Common Vocabulary in Chinese and English (I)
1 Backplane Backplane
2 Band gap voltage reference Band gap voltage reference
3 Benchtop supply Benchtop supply
4 Block Dia...[Details]
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Auto-coupling step-down starting and soft starting are two common motor starting methods. They each have their own advantages and disadvantages and are suitable for different application scenarios....[Details]
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