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The system clock sources of STM32 can be divided into three: HSI (high-speed internal clock), HSE (high-speed external clock), and PLL
(Clock signal after PLL multiplication).
...[Details]
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Usually, the switches used for buttons are mechanical elastic switches. When the mechanical contacts are opened and closed, due to the elastic effect of the mechanical contacts, a button switch will ...[Details]
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A high-frequency inverter is a DC/AC converter that converts the DC power of a battery pack into an AC power supply with stable output voltage and frequency. High-frequency inverters have many ap...[Details]
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According to foreign media reports, German autonomous driving simulation and verification expert dSpace and Velodyne Lidar recently announced a collaboration to accelerate the development of autonomo...[Details]
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On the afternoon of July 9, Song Guoquan, member of the Standing Committee of the Anhui Provincial Party Committee and Secretary of the Hefei Municipal Party Committee, met with Marty Cullen, Executi...[Details]
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Most PN junction diodes can be used as photodiodes. While not the best choice, they are usable. When the diode is reverse biased, it produces a small photovoltaic output as light levels incre...[Details]
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China's new energy vehicles did not start very well in 2020. At present, Europe should take two steps forward in 2020. In 2019, Europe's new energy vehicles reached 564,200 units, an increase of 38.9...[Details]
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Embedded systems have been developing rapidly due to their high cost-effectiveness and short development cycle. The development of various applications based on ARM processors is in full swing. Here ...[Details]
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1 Introduction Wheeled mobile robot is an important part of the robot research field. It integrates mechanics, electronics, detection technology and intelligent control, and is a typical intelligen...[Details]
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Introduction
The personal location tracking system described in this article is the application of the radio frequency identification system (RFID) in personal positioning, that is, a system that ...[Details]
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When building an ARM project in Keil (I use realview mdk3.11)
One of them is to select use MicroLIB
Since I am not very familiar with KEIL, I checked it and got the following information:
mi...[Details]
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This article presents a method to implement asynchronous serial UART function on μPD78045F by software simulation, using two I/O lines and an 8-bit timer. This method takes up little resources, is ...[Details]
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The previous batch of Galaxy S21 FE leaks have more or less confirmed the design, specifications and release time frame. Today's news comes directly from the parts channel. A set of genuine re...[Details]
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The trigger function is a key performance of an oscilloscope. It enables the oscilloscope to isolate specific signal events for detailed analysis and to achieve stable display of repetitive waveforms...[Details]
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As the payment field moves towards digitalization, protecting digital identities and transactions becomes increasingly important. In addition to standard contactless payment cards, biometric p...[Details]
Analogue and Mixed Signal
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