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The simplest actual circuit of 5V/5W switching power supply is as shown in the figure. TOP210 (IC1) in the picture is a three-terminal PWM switch. IC1 contains PWM controller, power MOSFET and vari...[Details]
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In order to make the agricultural and sideline products electronic trading system meet the needs of transaction management, fund settlement and collection of various market fees, and to maximize ...[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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TV screens are getting bigger, speakers are getting bigger, and black appliances are consuming more power. Energy conservation is becoming more and more prominent. Home appliances account for 15% ...[Details]
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With the development of Internet of Things technology, a wave of large-scale commercial use of embedded artificial intelligence has been brought about. In the Internet of Things era, information coll...[Details]
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The Galaxy S21 FE is finally expected to be officially launched during CES 2022 next month. In the latest news, the Samsung Galaxy S21 FE has officially appeared, and the support page for this upcomi...[Details]
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//About 51 MCU using printf for serial port debugging //Redefine the code, you can use printf to send data to the serial port char putchar(char c) { ES=0; //Disable serial port interrupt TI=0; //Cl...[Details]
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What is a voltmeter A voltmeter is an instrument for measuring voltage. It is composed of a permanent magnet, a coil, etc. A voltmeter is a fairly large resistor, ideally considered to be an open...[Details]
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This is a household inverter power supply circuit diagram with excellent performance . The materials are easy to obtain and the output power is 150W. The design frequency of this circuit is about ...[Details]
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Large-scale optimization of energy sources will effectively ensure a secure and sustainable supply of energy.
China Electric Power News: What issues are you concerned about at this year's Two ...[Details]
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The 10th Core Power Cloud Roadshow (Optoelectronics) was successfully held on April 22 (last Wednesday), bringing three excellent domestic optoelectronic chip projects. After the roadshow, Jiwei.com ...[Details]
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Solid-state batteries VS lithium batteries, it seems that solid-state batteries have won, representing a new direction in current battery research, with BMW and NIO joining in. So, what are the advan...[Details]
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Rationale
The sugar refractometer designed based on the principle that the refractive index of a sugar solution is proportional to its concentration can be used to directly measure the sugar cont...[Details]
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Compared with other new instrument types, the measurement method of magnetic flap level gauge is more traditional. It works based on the buoyancy principle and magnetic coupling principle. It can int...[Details]
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Auto-coupling step-down starting and star-delta starting are two commonly used motor starting methods. They have different effects on the current and torque of the motor during the starting process...[Details]
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