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The electrical schematic diagram of this tester is shown below. It mainly tests the following five types of components: 1. Current source components; 2. Precision reference voltage source; 3. Adjusta...[Details]
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According to Jiwei.com, the three major A-share indexes closed higher today, with the Shanghai Composite Index up 0.42% to 3457.07 points; the Shenzhen Component Index up 0.94% to 14398.38 points; an...[Details]
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According to Metcalfe's Law, the value of a network is proportional to the square of the number of interconnected nodes within it. Since the birth of the Internet, its scale has been developing along...[Details]
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Preparation: (1) Infrared receiver (2) IR transmitter (3) STM32 control board (4) Jumper cables (5) Air conditioner/TV remote control hardware 1. Module IR transmitter VCC, GND, ...[Details]
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At present, we widely use C language for programming when learning and developing single-chip microcomputers. When the single-chip microcomputer project we develop is small, or the exercise program w...[Details]
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Parking and starting a car, even starting with the engine off and short-term parking, are situations that are often encountered in daily driving. Traditional handbrakes and starting are too cumbers...[Details]
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introduction
In order to realize the automatic measurement and control of computers, A/D conversion technology is adopted in more and more fields. With the development of large-scale integ...[Details]
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Kernel version: linux-3.0 u-boot version: u-boot-2010.09 Development board model: FL2440 We have transplanted the initramfs file system and it has run successfully. Now we will transplant nfs a...[Details]
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Comparison of AC-DC Power Conversion Topologies For low-power AC-DC LED power conversion, different topologies can be selected, such as isolated flyback or non-isolated buck. The so-called "isolation...[Details]
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Are pure electric vehicles the future development trend? Although we have heard countless experts and scholars say similar things, and countless netizens have regarded this sentence as the truth, i...[Details]
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code is a keyword extended by KEIL C51. Variables modified with code will be placed in the CODE area. But the const keyword in C seems to also have the function of defining variables that cannot be...[Details]
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1. Simple identification of cold solder joints and dead lights
A relatively simple but effective
way to identify dead
LEDs
is to heat the lights. We heat the LED leads of s...[Details]
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Author Email: jsmo739@yeah.net 1. Introduction Temperature is one of the most basic environmental parameters. People’s lives are closely related to the temperature of the environment. In the industr...[Details]
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今日，国务院办公厅发布《新能源汽车产业发展规划（2021—2035年）》（以下简称“规划”），《规划》提出到2025年，我国新能源汽车市场竞争力明显增强，动力电池、驱动电机、车用操作系统等关键技术取得重大突破，安全水平全面提升。纯电动乘用车新车平均电耗降至12.0千瓦时/百公里，新能源汽车新车销售量达到汽车新车销售总量的20%左右，高度自动驾驶汽车实现限定区域和特定场景商业化应用，充换电服务便利...[Details]
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Constant pressure water supply inverter is an automation device widely used in water supply systems. It achieves constant water supply pressure by adjusting the speed of the motor. When using const...[Details]
Power technology
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