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Basic types of overcurrent protection methods and existing problems Commonly used overcurrent protection methods include current limiting type, current reducing type and cut-off type. The chara...[Details]
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introduction
Power line monitoring systems or modern three-phase motor control systems require accurate multi-channel simultaneous measurements within a wide dynamic range of about 70dB~90dB (depen...[Details]
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According to foreign media Neowin, Microsoft announced today that it will bring dialect voice options (Speech Regions) to its own Translator App. This app is currently available on iOS and Android pl...[Details]
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Course design requirements:
1. Use the I/O port to generate a square wave of a certain frequency to drive the buzzer to emit different tones, thereby playing music (at least three songs, each no ...[Details]
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This program implements the UART port functions of the AVR device, so that the PC terminal software can directly interact with the device.
The program refers to the Samsung S3C2440 library file.
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1. Instrument Model Keysight/Agilent E4428C Signal Generator Fault phenomenon Error 210.256.315.514; phase noise is poor. UNLEVEL error Testing process According to the customer's description of ...[Details]
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1. The instrument does not respond after the power button is triggered; 2. After booting up, the keyboard light is on but the display light is off; Now let’s follow the engineer from the Antai netw...[Details]
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Enter the arch/arm/ directory, and then use the grep "EXPORT_SYMBOL" * -r command to print out the functions available to the ARM platform driver that are exported by the EXPORT_SYMBOL macro. User pr...[Details]
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Today's world energy system is built on fossil energy such as oil and natural gas. Oil and gas resources are concentrated in the hands of several major energy suppliers such as Saudi Arabia and Ira...[Details]
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Oriental Energy issued an announcement, expecting to achieve a net profit attributable to shareholders of RMB 155 million from January to June this year, a year-on-year increase of 32%. The announc...[Details]
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Home beauty devices are becoming the "new favorite" of consumers at home. The "618 Big Sale" that just ended also verified the popularity of the home beauty device market. According to data provided ...[Details]
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The data communication between the lower computer and the upper computer can meet the requirements of the synchronous phasor measurement unit for high data transmission rate, low latency and high...[Details]
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On November 5, the 2020 Forbes China Rich List was officially released. It is reported that there are 400 rich people on the list this year, with 68 new entrants. Jack Ma has topped the list of China...[Details]
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South Korea's Hyundai Motor Group and LG Chem are considering setting up a joint venture in Indonesia to manufacture electric vehicle batteries, a source familiar with the matter told Reuters, althou...[Details]
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After learning about binary in digital circuits, I found binary numbers very magical. For example, all computers today use binary. Binary is easy to implement, and the operation rule...[Details]
Mobile and portable
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