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This chapter introduces a scheduling module designed using real-time interrupts. This module can not only allow the I/O pin to output a square wave with a specific duty cycle, but also allow the prog...[Details]
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ESD electrostatic discharge brings fatal harm to your electronic products. It not only reduces the reliability of the product and increases the maintenance cost, but also affects the sales of the p...[Details]
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As one of the "three new things in foreign trade" in addition to new energy vehicles and photovoltaics, lithium-ion batteries have appeared in our articles for the first time. Today’s article would l...[Details]
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In November 2019, MediaTek officially announced the launch of the Dimensity 5G chip. MediaTek data shows that in 2021, the shipment volume of Dimensity 5G chips has accounted for 40% of the dom...[Details]
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On January 8, the unified power flow controller (UPFC) international standard research team of State Grid Jiangsu Electric Power Co., Ltd. completed the preparation of the working group draft of th...[Details]
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In the data acquisition system, each component of the front-end analog channel - sensor, signal conditioning circuit and analog/digital conversion system will bring errors to the measurement results ...[Details]
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Abstract: This article introduces a low-power automatic identification meter reading system. It introduces its structure, working principle, design thinking in detail, and gives the operation me...[Details]
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/*****************************
** low level kexboard routines VERSION 1.0
******************************/
#include "kb.h"
#include "scancodes.h"
#define BUFF_SIZE 64
unsigned ch...[Details]
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The previous part of the real-time control series provided an in-depth look at the functional blocks of processing. In this part, I will discuss
the drive phase (updating the system) of real-ti...[Details]
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In order to ensure the accuracy of the measurement results, the oscilloscope probe must be calibrated before use, and low-frequency compensation is an important part of the probe calibration. The p...[Details]
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Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not to cause intolerable electromagne...[Details]
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The Hello Travel App has been removed from the Apple App Store. The reason for the removal is still unclear. The Hello App can still be searched on Android phones. There are speculations that the...[Details]
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Today’s flat-panel digital TVs and monitors are much thinner than the old, bulky cathode ray tube (CRT) displays used in the past. These new thin flat-panel TVs are very attractive to consumers becau...[Details]
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//The program implements the A/D conversion function, and A/D uses interrupt mode. The program inputs a DC voltage through the RA2 analog channel of the p18f458 microcontroller . // When the DC ...[Details]
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CNC (Computer Numerical Control) system is a kind of automation equipment controlled by computer, which is widely used in mechanical processing, mold manufacturing, aerospace and other fields. CNC ...[Details]
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