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This article discusses several methods, ranging from very simple to more complex, to increase the drive current of the MAX44000 proximity sensor through an infrared LED, allowing the user to detect...[Details]
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On January 16, the 2021 China Semiconductor Investment Alliance Annual Meeting and China IC Billboard Awards Ceremony were held in Beijing. Shanghai Yeying Microelectronics Technology Co., Ltd. (here...[Details]
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For international semiconductor giants, this year will be another "China Year". Following the explosive growth of smartphones in 2012, his analysis predicts that China's demand for low-end smartphon...[Details]
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STM32F103VB sends a logic signal to MOC3020 to control the on and off of the BTA16 thyristor. When a zero-crossing signal is detected, the output is 1 after a delay of x milliseconds; the output is t...[Details]
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Application of isolation amplifier in motor drive:
A motor drive is a controller used to control various motors, such as AC inverters and servo motors. Generally, the motor is controlled in th...[Details]
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Have you ever spent a lot of time selecting the best op amp for your circuit only to find out that the offset voltage at the manufacturer's reference input is wrong? What if in your application circu...[Details]
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In November 2018, the construction of the "Qinghai Power into Henan" UHV DC project started; in March this year, the Qinghai Provincial National Clean Energy Demonstration Province Plan was approve...[Details]
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Many beginners often lament why others can learn microcontrollers so quickly and easily, but they themselves are so slow to learn microcontrollers, and it is so boring and difficult, and they often h...[Details]
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Over the past five years, China's leading Internet groups Baidu , Alibaba and Tencent have competed to put lucrative applications on smartphone screens. However, they are now turning their attentio...[Details]
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On December 8, Contemporary Amperex Technology Co., Ltd. signed a strategic cooperation framework agreement with the Suzhou Municipal Government and an investment agreement with the Wuzhong Dis...[Details]
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0 Introduction
As we all know, DC motors have good speed regulation performance, but they have shortcomings such as mechanical commutation devices that easily cause commutation sparks, ele...[Details]
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LED light source technology is becoming more and more mature, and the luminous lumens per watt are increasing rapidly, which has led to a gradual price reduction. Take a 1W LED light source as an e...[Details]
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1 Project Background
1.1 Research Background
The application of LCD display screens is becoming more and more widespread, and the number is increasing. LCD display screens are widely used a...[Details]
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This article provides a switching power supply circuit diagram composed of TEA1521. The circuit works in flyback mode and is widely used in many DVD switching power supplies. Moreover, the circuit ...[Details]
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In industrial equipment, AC motors are the most common loads, and frequency converters are important electronic devices used to control the speed and torque of motors. In this process, it is an imp...[Details]
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