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0 Introduction
Fire seriously threatens the safety of human life and property. Every year, there are countless disasters caused by fire in my country. However, accurate and timely prediction of...[Details]
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The IoT application market continues to heat up. Well-known semiconductor manufacturers such as Texas Instruments, Freescale and NXP are expanding their support for IoT segmented applications. The de...[Details]
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Current status and trends of smart door locks : 1. Home smart door lock products will reach about 60 million in 2025, with sales reaching a compound annual growth rate of 25%. 2. Commerc...[Details]
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新的S级车将梅赛德斯-奔驰智能驾驶提升到了新的水平，正在比其他企业更快的速度接近自动驾驶的目标。从2021年秋天开始，新的S级车将能够比迄今为止的所有系统更好地辅助其驾驶员安全驾驶。 通过新的和大大扩展的驾驶辅助功能，新的S级车将在2021年秋天向自动驾驶迈出进一步的重要一步。主动距离辅助系统DISTRONIC和主动转向辅助系统现在可以更方便地支持驾驶员保持安全距离和转向控制，车辆速度现在也...[Details]
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The basic principle of the density meter is to measure the degree of blackening of the photosensitive material after exposure and development, that is, the blackness. When making plates, the silver...[Details]
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The brightness of the LED light is controlled by changing the duty cycle of PA8 output through the data received from the serial port Main function char *str_light = "LIGHT:"; unsigned char PWM_B...[Details]
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1. Open the "Electronic School Toolbox" CD and refer to the video in the CD to install IAR. After the installation is complete, the following interface will pop up when you open the software. We will...[Details]
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At 8 pm on May 15, Robin Li appeared in Baidu's live broadcast room and had a conversation with Fan Deng, the founder of Fan Deng Reading, on the theme of "Home·Books". It is worth noting that Baidu ...[Details]
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Signal generators are used as signal sources in electronic experiments. Sine waves, triangle waves, square waves, and pulse waves used as trigger signals are usually used. This time, we made ...[Details]
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1 Use a multimeter to determine the positive and negative poles of the speaker First, set the pointer multimeter to the DC 0-5mA range, and then connect the two test leads to the two welding pieces o...[Details]
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Low-frequency and ultra-low-frequency signals are widely used in medicine, electrochemical research and experimental teaching. Especially in the field of electrochemistry, ultra-low-frequency s...[Details]
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1 Introduction
The traditional instrument for measuring blood pressure is the mechanical mercury sphygmomanometer. Electronic sphygmomanometers have only appeared on the market in recent y...[Details]
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As the global energy shortage problem becomes increasingly serious, renewable energy is being used more and more widely. In recent years, photovoltaic energy has been greatly developed due to its adv...[Details]
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Friends who use the SD card driver provided by the stm32 CUBE library should note: 1. Applicable to MMC cards. I haven't tested it. MMC cards are now collectibles. Who would still use them? So, ST te...[Details]
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Wu Hequan, an academician of the Chinese Academy of Engineering, recently publicly stated that in the process of formulating 6G standards, we should pay attention to reasonable indicators that meet...[Details]
PCB Design
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