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Initialize the pwm program: void PWM_INIT()
{
TMOD=0X02; // Timer 0 works in 8-bit auto-reload mode
TH0=0xfc;
TL0=0xfc;
TR0=1;
CMOD = 0x04; // CPS1 = 0 CPS0 = 1, select the PCA clock source as the ov...[Details]
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With the advancement of industrial technology, the requirements for execution efficiency and integration in digital control servo systems are getting higher and higher. For example, when a single pro...[Details]
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main.c /** * File name: Ultrasonic ranging experiment * Experimental purpose: 1. Master the principle of ultrasonic ranging * Experimental principle: 1. Timer 0 is used for scanning of digital t...[Details]
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1-6. Forward transformer switching power supply
The transient control characteristics and output voltage load characteristics of the forward transformer switching power supply are relative...[Details]
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When the fluid flows into the flow meter, it is rectified and accelerated by the integrated rectifier dedicated to the air inlet. Since the turbine blades are at a certain angle to the fluid flow dire...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Apple Touch ID has promoted the popularity of fingerprint recognition on smartphones, but since the iPhone X, Apple has replaced it with Face ID facial recognition. Will Touch ID disappear in t...[Details]
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On November 20, State Grid Electric Vehicle Company held a launch event with the theme of "New Infrastructure: Millions of Access, New Momentum and Energy Interconnection", announcing that Stat...[Details]
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Today, I listened to the battery safety part of the Second China International Electric Vehicle Safety Technology Innovation Conference. One prominent phenomenon is that many safety talks gener...[Details]
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1. Bandwidth: refers to the frequency value when the sinusoidal input signal decays to 70.7% of its actual amplitude, that is, the -3dB point (based on a logarithmic scale). This specification indica...[Details]
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Until now, the brake lights, turn signals, reverse lights and rear fog lights of cars have used 21W to 27W tungsten bulbs with a brightness of 280 to 570 lumens as light sources. Tail lights, parki...[Details]
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Heart rate monitoring is an important feature of Apple Watch, but is it reliable? Stanford School of Medicine released the third batch of research data on Apple Watch. This study is a collaborative...[Details]
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Many embedded ARM processor systems are based on battery-powered energy supply, and the power consumption of the processor is critical to the entire SoC chip, so the low power consumption advanta...[Details]
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This article is a detailed summary and analysis of C language string operations. Friends who need it can refer to it.
1) String operations
strcpy(p, p1) Copy a string
strncpy(p, p1, n) Copy a s...[Details]
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The isolated flyback power supply is designed around the LNK564DN (U1) from the LinkSwitch-LP product family. The output can reach 5 V/350 mA (1.75 W) over a universal input voltage range of 90-265 VA...[Details]
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