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This is an ultrasonic distance measurement module program I wrote a few days ago. The ultrasonic distance measurement module uses HC-SR04 and the microcontroller is STC80C52RC. However, I bought a mi...[Details]
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On December 22, the 2021 China Integrated Circuit Design Industry Annual Conference and Wuxi Integrated Circuit Industry Innovation and Development Summit Forum (ICCAD 2021) kicked off in Wuxi. Wu Xi...[Details]
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315 wireless module PT2262 1.5M 270KHz can measure the pulse width
start time 5000us
high level time 490us low level
time 160us
HH=1
L...[Details]
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With the development of the times and the advancement of science and technology, many electronic products emerge in an endless stream, making people's lives more convenient and enriching their ente...[Details]
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1. Speaker Introduction
A speaker is a device that can convert audio signals into sound. In layman's terms, it means that the speaker main box or subwoofer box has a built-in power amplifier, ...[Details]
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introduction
With the popularity of computers and the widespread application of information processing technology, uninterruptible power supplies (UPS) play an important role in connecting...[Details]
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LED driver power supplies are currently developing towards high power factor, high output current accuracy, high efficiency, high reliability, low cost and small size. Therefore, the primary current ...[Details]
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1 Introduction
Contactors are common electrical components in inverter control, mainly used to switch buffer resistors and connect and disconnect circuits. Whether the contactor is selected ...[Details]
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In order to obtain a wider range of colors,
the LED color mixing design has shifted from the one-sided current or voltage control method to the use of intelligent technologies such as micro...[Details]
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LED is a rapidly developing product. Countries and regions around the world are stepping up efforts to formulate standards for LED and its related accessories. The IEC organization has already formula...[Details]
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Siemens inverter is an electrical device that can change the operating frequency and voltage of a motor, also known as a "speed regulator" or "variable frequency speed regulator". It can control th...[Details]
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1 Problem statement
In intelligent instruments and process control systems with single-chip microcomputers as the core, it is often necessary to save real-time parameters for a long time. Usu...[Details]
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On September 1, Rohm Semiconductor sent a letter to its customers, pointing out that due to the continued increase in the cost structure of raw materials and other factors, in order to comply with Ro...[Details]
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Following the previous article "STM32 Serial Port IAP", let's talk about how to set up a general project to become an upgrade program suitable for the previous IAP.
Let me take my own standard proje...[Details]
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Analog ground/digital ground and analog power supply/digital power supply are just relative concepts. The main reason for proposing these concepts is that the interference of digital circuits on anal...[Details]
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