I use CD4046 and CD4040 (256 frequency division) to phase lock the grid frequency of 50Hz, but I can't adjust it. I don't know the following frequencies:
f0: center frequency = 50Hz*256=12.8kHz? ? 2fc...
Hello everyone, I would like to ask which function can be used to obtain the coordinate position of the mouse? It would be best if you can give a concise example. I hope you can give me some advice....
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[i=s] This post was last edited by Wu Jianying on 2014-6-18 09:57 [/i] [align=center][b]Wu Jianying's Digital Oscilloscope User's Guide (Take DS-1000 Series as an Example) [/b][/align] [align=left][fo...
I seem to have read a lot of books and searched on Google for a long time about this function, but there is almost no usage of this function. I just know: "r_write() writes data to the file descriptor...
The driver of wince sd is controlled by the SD host controller, one port is connected to the SD card (the source code is already available), and the other port is connected to movinand. How to write t...
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
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A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
With the growth of the Internet of Things (IoT), wearable, and portable devices, consumers are growing weary of cluttered cables and the need for frequent battery recharges. The benefits of wireles...[Details]
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At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
The motor is a very important component for new energy vehicles. In terms of vehicle power, pure electric vehicles use electric motors instead of traditional diesel/gasoline engines. For electric v...[Details]
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Munich, Germany, August 19, 2025 –
Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, announced today that its AIROC™ CYW20829 Bluetooth® low e...[Details]
Thoughts triggered by the Wuhan Radish Run incident
It's so hot, even Ferraris spontaneously combust. A recent incident on a Wuhan overpass: a red Ferrari...[Details]
NPN and PNP are two commonly used transistor circuits. They play an important role in industrial automation and control systems. This article will explain the difference between NPN and PNP and exp...[Details]
The field of AI is constantly evolving. We are witnessing a profound shift from the era of "generative AI" to the era of "agent AI." This transformation has the potential to reshape industries an...[Details]
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