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Taking one CPU1518-4 PN/DP (6ES7 518-4AP00-0AB0) and one S7-200 SMART PLC as an example, the S7 communication between them is introduced.
hardware:
① S7-1500 CPU
② S7-200 SMART...[Details]
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MIDI is the language of electronic musical instruments. With the birth of MIDI, there are more and more digital electronic musical instruments, and the application of MIDI is becoming more and more c...[Details]
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Behind the strong commercial update cycle of Windows PCs, the notebook market helped offset the decline of the tablet market in Q2 2019. According to the latest research report released by Strategy A...[Details]
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01 Baidu is in the lead, Wang Chuanfu also bets on
robots
The world's "hottest post-90s"
Recently, according to public data, Shanghai Zhiyuan New Technology Co., Ltd., an affiliat...[Details]
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Development environment: ST Visual Develop + STM32 ST-LINK Utility + development board Principle: Output high-level signal to the specified pin regularly /* MAIN.C file * * Copyright (c) 2002-2...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit DQ=P2^7; //define interface
uint temp; // variable of temperature defines a variable
uchar flag1; // sign of the result pos...[Details]
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On May 18, the launching ceremony of the second phase project of Littelfuse Semiconductor (Wuxi) Co., Ltd. was held. It is reported that Littelfuse Semiconductor (Wuxi) Co., Ltd. was establ...[Details]
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This example sets up a button to adjust the square wave of different frequencies (multiples of 100) from 100-1000hz. In addition, serial port communication is added, and the corresponding frequency c...[Details]
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TE Connectivity participates in IOTE 2021 International Internet of Things Exhibition, opening a new era of smart IoT world with cutting-edge sensing technology Shenzhen, China - October 23, 2021 -...[Details]
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CATL announced today that it will hold a sodium-ion battery launch conference on July 29. Previously, CATL stated at its annual shareholders' meeting that the sodium-ion battery project is conducti...[Details]
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1. Compiler arm-linux-gcc 1. Compile a program with arm-linux-gcc. Generally, it goes through the following steps: 1.1 Preprocessing stage The compiler compiles stdio.h in the above c...[Details]
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Introduction
In the design of single-chip microcomputers, it is often necessary to display a multi-level operation menu on the display screen. Each menu level has some menu items and corresp...[Details]
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Transient intermodulation distortion
瞬态互调失真(Transient Intermodulation Distortion),得称TIM失真。是什么时候被发现的笔者搞不清楚,但是TIM测量方法则迟至70年代才公开发表。由於瞬态互调失真与负回输密切相关,所以在讨论瞬态互调失真时就需要先从负回输说起。负回输(Negative F...[Details]
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After more than 20 years of development, the 89C5l series of microcontrollers are still thriving and widely used in industrial control and instrumentation. The Keil C51 compiler system used for 89C...[Details]
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On October 22, workers inspected the energy storage equipment area of the first phase of the 300 MW independent energy storage power station located in the Economic Development Zone of Longyao Count...[Details]