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String Operations STRING.H
strcat concatenates two stringsstrchr
reentrant returns a pointer to the first occurrence of a specified character in one stringstrcmp reentrant
compares two stringsstrc...[Details]
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Using sugar and corn syrup, researcher Gary Zabo transferred the word "NIST" in gold letters onto human hair. Image source: National Institute of Standards and Technology Can regular table sugar ...[Details]
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At the debugging site, we often encounter a motor without a nameplate, but we really want to know the speed of the motor, we don’t have a tachometer, and we don’t want to take the effort to disassemb...[Details]
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Generally speaking, lithium-ion batteries are composed of three parts:
1. Lithium-ion cells
2. Protection circuit (PCM)
3. Shell or plastic shell
Battery classification
From...[Details]
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After two years of record sales, North American
robot
orders fell 30% in 2023, according to a new report from the Association for Advancing Automation (A3). The group said it expects the ec...[Details]
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Recently, nearly 60 young entrepreneurs from the Shanghai Federation of Industry and Commerce Youth Entrepreneurs Association Dual Carbon Development Committee, Pudong New Area Federation of Industry ...[Details]
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On September 14, the 13th Asia-Pacific Intelligent Automotive Electronics Technology Forum Summit of AETF 2018 was held. The conference conducted in-depth discussions on V2X technology, advanced driv...[Details]
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1. Experimental Task As shown in Figure 4.3.1, P1.0-P1.3 of the AT89S51 microcontroller are connected to four LEDs L1-L4, and P1.4-P1.7 are connected to four switches K1-K4. The program will reflec...[Details]
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. Introduction
In transmitters and controllers made with single-chip microcomputers, when it is necessary to output 1-5V or 4-20mA DC signals, dedicated D/A chips are usually used, usually one chip ...[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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The main technical indicators of resistors
Table 2
Power rating of resistors
name
Rated power (W)
Solid Core Resistors
...[Details]
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In the switching power supply topology with transformer , when the switch is turned off, the loss caused by the overlap of voltage and current is the main part of the switching power supply loss. At...[Details]
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The scientific name of slip ring motor is wound-rotor asynchronous motor. This kind of motor is suitable for large lifting machinery. Its structure is different from that of squirrel cage asynchron...[Details]
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Syringe tightness positive pressure tester It uses a 5.7-inch (120×90) single-color LCD touch screen with Chinese menu display. The nominal capacity of the syringe, the lateral force and axial pressu...[Details]
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At present, domestic reactive power compensation product controllers generally use AC contactors or thyristors as switching elements to control the on and off of capacitors.
Reactive power com...[Details]
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