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Generally speaking, in the operation and welding of the MINI USB connector seat, please pay attention to each pin aligning with each wiring point on the pad. The back should be pressed lightly with...[Details]
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* =======PWM speed control program of DC motor ======== */
/* The crystal oscillator uses 11.0592M, and the frequency of the generated PWM is about 91Hz */
#include reg51.h
#include math.h
#...[Details]
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This article is only for beginners, experts please skip it! 1. Experimental purpose Use the IO port of the microcontroller to simulate the SPI bus timing logic, control 24 LEDs through...[Details]
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Apple, which has been rushing along the mid-to-high-end route, also has the "intention" to take the people-friendly route. In 2016, Apple released the iPhone SE, which started at only 3,288 yuan. Wi...[Details]
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Stator winding is a key factor in improving motor efficiency, lifetime, volume and cost. Therefore, choosing the right winding technology and proper design are necessary to meet the challenges of t...[Details]
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Yangtze Memory Technologies (YMTC) recently announced that it has successfully developed the latest 128-layer QLC 3D NAND flash memory, which has been verified by several well-known controller compan...[Details]
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Target The goal of this lab activity is to measure the self-resonant frequency (SRF) of an inductor and determine the parasitic capacitance based on the measurement data. background knowled...[Details]
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According to the Operator Finance Network, the three major operators will commercialize 5G on September 1. Unlike Korean operators who have provided large subsidies to users to purchase mobile phones...[Details]
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I used an oscilloscope to capture an unknown signal, but the waveform kept shaking, making me dizzy and at a loss. How can I make the waveform obedient and stable? Should I adjust the gear or change ...[Details]
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1. IGBT model
The model of IGBT can be found in textbooks. Its gate G is equivalent to a small capacitor of several nanofarads (nF) (temporarily considered), which is similar to MOS tube; its col...[Details]
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There are many places in C/C++ language where extern is used. However, if you don't really understand its meaning, it will cause great trouble to programming. In order to help you avoid detours, we wi...[Details]
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#include reg52.h #define uint unsigned int #define uchar unsigned char uchar code table ={0xc0,0xf9,0xa4, 0xb0,0x99, 0x92,0x82,0xf8,0x80,0x90}; sbit gew=P2^1; sbit shiw=P2^0; sbit k2=P1^0; uchar nu...[Details]
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Introduction to MCU Interrupts The 52 MCU has a total of 6 interrupt sources, their symbols, names and conditions for each interrupt are as follows: INT0 - External interrupt 0, introduced by P3.2 p...[Details]
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LEDs used as backlighting for high-definition television (HDTV) displays have been the primary driver of LED market growth over the past few years, but growth will accelerate significantly as LED g...[Details]
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This section mainly introduces the knowledge related to NandFlash, first of all, the role, classification and access method of NandFlash.
Role analysis: In personal PCs, hard disks ...[Details]
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