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Smart meters are smart terminals of smart grids, and switching power supplies are different from other devices in smart meters. Large-scale and standardized production may improve quality, reduce pro...[Details]
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8 basic questions and answers about USB
Question 1: What is the structure of the USB transmission line?
Answer 1: A USB transmission line consists of four lines: ground line, power line, ...[Details]
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The core of smart grid
is to build an intelligent
network
system with intelligent judgment and adaptive adjustment capabilities for unified access and distributed management of mu...[Details]
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1. LCD1602 module 1. Pin description Pin 3: VL is the contrast adjustment terminal of the LCD. The contrast is the weakest when connected to the positive power supply, and the contrast is the high...[Details]
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I learned microcomputer principles this semester~~ , the courseware is very awesome~~ hehe
There are a lot of original program designs of 8255A on the Internet~~ There are also many Proteus simulat...[Details]
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This application note describes a method for adding margining to a DC-DC converter by interfacing with the DS4404 4-channel adjustable current-mode DAC (or the DS4402, a 2-channel version of the DS...[Details]
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With the development of science and technology, the application of smart wearable devices is becoming more and more popular. Many smart wearable devices have waterproof function, which has become a...[Details]
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/*MCU:AT89S52*/
#include
#include
#define uchar unsigned char
int key;
int of;
void Key_Scan(void);
/************Main program*************/
void main(void)
{
void Key_Scan(void);
void delay(int);
...[Details]
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Introduction: This article mainly introduces the 122x32 LCD 1520 controller driver (C51). #include "reg51.h" #include "intrins.h" #include "absacc.h" #include ".incASCII816.h" //Standard ASCII ...[Details]
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The implementation of CRC algorithm can generally be divided into two types: operation and table lookup. The former is obtained by shifting and XORing a CRC polynomial.
The latter takes up less progr...[Details]
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These details are not explained in the original reference manual of STM32F4, but are listed briefly.
I finally figured it out by checking the interface library that ST just released a few days ago, s...[Details]
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Last month, Google said it would soon add some interesting new features to its Fit app for Pixel smartphones, which will allow users to measure their heart rate by placing their finger on the rear ca...[Details]
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Apple Inc. (hereinafter referred to as Apple) released the latest iPhone 11 Pro (Max) on September 11, 2019, which comes with a USB-C PD (Power Delivery) 18W power adapter and USB-C to Lightning cabl...[Details]
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At the JPMorgan Technology/Auto Summit on Wednesday, Eastern Time, several semiconductor industry executives said that the shortage problem of both computer chips and automotive chips cannot be solve...[Details]
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Figure 1: Typical power architecture for new energy vehicle applications (Source: RECOM)
Non-passenger electric vehicles (EVs) range from electric forklifts to tractors to excavators...[Details]
Microcontroller MCU
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