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On the evening of December 28, Xiaomi held a new product launch conference in Beijing, releasing new products such as the new flagship mobile phone Xiaomi 11. Xiaomi 11 is equipped with a 2K-lev...[Details]
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Electrical detection methods include pulse current method, radio interference voltage method, UHF partial discharge detection technology, and dielectric loss analysis method.
1. Electrical detection...[Details]
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The previous two articles introduced the bootloader and kernel running on the mini2440 development board. At this point, the system is actually stuck in a "dead" state after startup - the root file s...[Details]
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In output mode: ODR is the data output register, but in input mode, it is also used to configure the pull-up and pull-down settings. In the key input experiment in the Alientek source code, there is...[Details]
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Making a 600W sine wave inverter
The machine has the following features:
1. The SPWM driver core uses a single-chip SPWM chip, TDS2285. Therefore, the SPWM driver part is relative...[Details]
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The new R&S SMB100B microwave signal generator
from Rohde & Schwarz (hereinafter referred to as "R&S")
is available in four frequency ranges, ranging from 8 kHz to 12.75 GHz, 20 GHz, 31.8 GHz ...[Details]
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At present, the world is paying more and more attention to energy-saving high-efficiency lighting. According to the report of the International Energy Agency (IEA), electric lighting accounts for a...[Details]
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I. Introduction Chenxi Dabotan Hydropower Station is located in Chenxi County, Hunan Province, in the middle stream of the main stream of Yuanshui River. It is the eighth cascade power station of...[Details]
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The CNC system of precision machine tools ensures the stable accuracy of machined parts and is increasingly widely used in current mechanical processing.
The CNC system of precision machin...[Details]
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This design is based on STC89C52 MCU and DHT11 to achieve temperature and humidity measurement. The MCU is used as a temperature and humidity, clock input and display control device in this system, a...[Details]
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As an important type of spread spectrum communication system, the frequency hopping communication system has been widely used in the military and civilian communication fields for its excellent anti-...[Details]
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This morning, Motorola Mobile officially announced that the moto edge X30 is equipped with a front and rear triple-camera system, including a 50-megapixel flagship main camera, a 50-megapixel in...[Details]
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According to contributions from netizens @LJL龙威, @ThinkBou, and @左脚右腿, Microsoft has pushed an update for its Surface app. After the update, the version number of the app is 61.60.139.0. It...[Details]
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In recent years, green energy conservation has become the theme of development. The world is constantly seeking more efficient and energy-saving light sources as substitutes for traditional lightin...[Details]
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Remembering the "Chinese Heart" 2023 Top Ten Engine and Hybrid System Selection Real Vehicle Test In 2023, hybrids and pure fuels will compete in the Chinese market, with offense and defense shift...[Details]
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