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To generate SPWM waves, the key is to generate a set of numbers that change sinusoidally, then correspond the numbers to the duty cycle of the PWM output, and output the duty cycle in sequence. The m...[Details]
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The COVID-19 pandemic has impacted global TV and smartphone sales, reducing demand for related panels. Omdia estimates that global shipments of large, medium and small-sized panels will decline by 11...[Details]
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1. Basic concepts of electronic communication 1.1. Synchronous communication and asynchronous communication 1. Synchronous communication: The two communicating parties have a unified working rhythm. ...[Details]
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On December 29, 2012, an appraisal committee chaired by the Jining Science and Technology Bureau of Shandong Province and composed of domestic experts conducted an expert appraisal of the "Lithium ...[Details]
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In 2021, my country's electronic information manufacturing industry achieved double-digit growth in added value and export delivery value; profits grew rapidly; and the growth rate of fixed asset inv...[Details]
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The cold winter of the automobile market has arrived, said Zhang Yang of NIO. The mainland auto sales data continues to decline. Zhang Yang, vice president of the industrial development department ...[Details]
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Usually, a thyristor has three electrodes: control electrode G, anode A and cathode C. However, since the control signal of a light-controlled thyristor comes from light irradiation, there is no ne...[Details]
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Introduction: PWM may be familiar and unfamiliar to many software engineers. Take PWM to adjust LED brightness as an example. Its essence is to cut corners in each cycle, and the overall effect of LE...[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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1 McBSP (Multichannel Buffered Serial Port) serial port uses DMA in multi-frame communication interrupt processing
In actual communication applications, after a burst, the program must pre...[Details]
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The management of electricity use in school dormitories has always been a difficult problem, especially in brick-wood structure dormitories, where the use of various illegal high-...[Details]
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This article introduces the design experience of a low-cost single-input three-output inverter . When the hardware cost is controlled within RMB 60, it can drive a three-phase cage asynchronous moto...[Details]
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After experiencing round after round of unprecedentedly brutal price wars, the profits of color TV products have been squeezed by various Internet "tycoons" to almost nothing. Recently, affected by t...[Details]
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Code: #include reg52.h //Introduce header file sbit KEY=P3^1; //Define a button sbit LED=P2^0; //Define an LED light void delay(unsigned int u16) //Delay function, delay within 0.6 seconds { ...[Details]
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It is often assumed that components of electric vehicles would be state-of-the-art, and charging barriers are no exception. After all, charging a car is a frequent, daily necessity. Charging operat...[Details]
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