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Practical electronic components are a general term for components and devices. 1. Components: Products that are processed by the factory without changing the molecular composition can be called c...[Details]
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The synchronous rectification-step-down (SR-Buck) PWM converter is one of the most commonly used circuit forms for low-voltage input VRM. The working principle of its synchronous rectification has ...[Details]
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Google today announced six new features coming to Android smartphones: an integrated password checkup tool, scheduled messages (meaning messages are sent at a specified time), improved TalkBack, impr...[Details]
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On December 1, the CPC Central Committee and the State Council issued the Outline of the Integrated Development Plan for the Yangtze River Delta Region. The Outline points out that it is necessary to...[Details]
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"The history of automobiles has been more than 100 years. The changes we are seeing now bring us many challenges, and these challenges are unprecedented for the automobile industry that has been arou...[Details]
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The remote transmission function of the remote transmission magnetic flap level gauge is realized by the reed switch remote transmission transmitter tied to the outer wall of the float tube. It can b...[Details]
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Reporters learned from Tianjin University on October 31 that the "high-performance sensing and computing integrated bionic vision intelligent CMOS image sensor chip" independently developed by the sc...[Details]
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On May 27, according to DIGITIMES, industry sources revealed that Qualcomm and MediaTek have both reduced 5G smartphone chip orders with their manufacturing partners in the second half of 2022. Sourc...[Details]
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Preface Today I will summarize "STM32F103 WDG watchdog". STM32F1 has two watchdogs, IWDG independent watchdog and WWDG window watchdog. Today I will summarize the two watchdogs together. To summarize...[Details]
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Virtual instrument technology is a technology that uses software to replace part of the hardware design. The hardware module realizes the conditioning, acquisition and output of the signal, while t...[Details]
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1. Why can’t white LEDs be used at overvoltage or overcurrent?
Generally, the most commonly used 5mm white light LED has a normal working voltage of 3.0-3.5V and a normal working current of 20...[Details]
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A real-time security system is designed with a 32-bit ARM microprocessor STM32F103C8T6 as the control core, plus a vibration sensor and a pyroelectric infrared sensor. When the system is in working s...[Details]
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Voltage Amplification vs. Current Amplification
To make a voltage amplifier stage, a circuit with voltage gain with common emitter or common base and source ground or gate ground can usual...[Details]
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#define uchar unsigned char
fly a ;
flying code b ;
In the above statement, the content of array a is stored in the data storage area (RAM). The values of each array element can be modifie...[Details]
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At present, the international community generally divides LED display light pollution into three categories, namely white light pollution, artificial daylight and color light pollution. At present,...[Details]