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1 Introduction
Three-phase asynchronous motors are widely used, but the current is very large (6-8 times) when they are directly started at full voltage. Traditional methods use step-down start...[Details]
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1. First, correctly select the voltage level of the clamp-type ammeter, check whether its insulation is good, whether it is damaged, whether the pointer swings flexibly, and whether the jaws are rust...[Details]
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The deflection system of an oscilloscope is mostly of the electrostatic deflection type, which consists of two pairs of mutually perpendicular parallel metal plates, called horizontal deflection ...[Details]
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From May 25 to 27, 2021, the 8th International Intelligent Connected Vehicle Technology Annual Conference, jointly organized by the China Society of Automobile Manufacturers Intelligent Connected I...[Details]
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Apple today released the first beta of the iOS and iPadOS 15.2 update to developers for testing purposes. iOS and iPadOS 15.2 can be downloaded through the Apple Developer Center or via OTA after i...[Details]
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int checkSystem2(void) { APP_INT32U i = 0x12345678; APP_INT32U *c = return ((c == 0x78) && (c == 0x56) && (c == 0x34) && (c == 0x12)); } if(checkSystem2()) printf("little endiann"); else p...[Details]
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The "R60xxVNx Series" 600V Super Junction MOSFET achieves both the industry's fastest reverse recovery time and ultra-low on-resistance
Great for reducing power consumption in indust...[Details]
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1. The role of the BSS segment
Initialized global variables are stored in the data segment;
Local variables are stored on the stack;
malloc is stored in the heap;
Uninitialized ...[Details]
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Lenovo recently officially released the world's first foldable screen laptop, the ThinkPad X1 Fold. Officials said that ThinkPad took more than four years to develop, and made breakthroughs in design...[Details]
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Are domestic intelligent driving chips really going to stand up?
In the past two months, domestic car companies have been experiencing "frequent major events" in the field of intelligent...[Details]
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TDA2030 is a Hi-Fi amplifier integrated circuit used in many computer active speakers. It is simple to connect and affordable. The rated power is 14W. The power supply voltage is ±6~±18V. The outpu...[Details]
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1 Working Principle
The temperature controller consists of three parts: temperature monitoring, signal processing, and output control. The system block diagram is shown in Figure 1. It obtai...[Details]
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Could humans invent a device that could sense the slightest disturbance in the water like a fish? Or learn from a butterfly that changes the color of its wings as the chemical composition of the ai...[Details]
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Function: 1. At the beginning, "00" is displayed, and timing starts after the first press of SP1.
2. When SP1 is pressed for the second time, the timing stops.
3. After pressing SP1 for t...[Details]
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Recently, the 3-day 2024 China (Chongqing) Digital Energy Industry Innovation Conference Digital Energy Industry Exhibition was held in Chongqing. At the exhibition, Qingyuan Juneng (Chongqing) Techno...[Details]