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平臺 硬件平臺: TQ2440 Linux version: Linux 3.14.45 說明 1.在tq2440上,物理內存的起始地址是0x30000000,一共有64MB的內存,所以物理內存地址範圍是: 0x30000000 - 0x33ffffff 2.可以在uboot傳給kernel的參數bootargs中添加一個"memblock=debug",這樣在Linux啓動的時...[Details]
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According to incomplete statistics from Gaogong Robotics, there were 8 financing events
in the robotics field in February 2023
.
0
1
...[Details]
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The full name of CFO is
CFO (Chief Financial Officer)
Definition of CFO:
Refers to the company's chief financial officer or financial director, which is one of t...[Details]
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Samsung is expected to release its Galaxy S series flagships ahead of schedule, possibly as early as January. Today, the camera mold of Samsung Galaxy S21 was exposed. It can be seen that it has thre...[Details]
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Typical chips of MCS-51 microcontrollers are 8031, 8051, and 8751. The 8051 has a 4KB ROM, the 8751 has a 4KB EPROM, and the 8031 has no ROM. Apart from this, the internal structures and pins of...[Details]
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Emerging trends address the growing demand for automation, digitalization, and sustainability. Automated guided vehicles (AGVs) and autonomous mobile robots (AMRs) automate material handling in war...[Details]
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From May 1, my country began to implement new regulations on heavy penalties for drunk driving: regardless of whether it causes traffic accidents, as long as there is drunk driving, it is a cr...[Details]
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This is a HiFi preamplifier circuit diagram with low noise output. This preamplifier will achieve maximum audio performance over a very wide frequency range from about 10Hz to up to 100Khz. This ci...[Details]
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Application Technology丨NRT81750
Application field: Automotive grade chips
Unique advantages:
NRT81750 adopts the 1T3R ...[Details]
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When Omar Badar learned that his friends were on the front lines of the COVID-19 fight, using 3D printing to make face shields for healthcare workers, he came up with an idea. “Extraordinary times ...[Details]
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Many acetic acid plants use flow measurement instruments such as orifice plates, vortex streets, turbines, and elliptical gears. These flow meters have many disadvantages: they are easy to wear, leak ...[Details]
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1 Introduction
With the development of electronic power technology, the power supply requirements for electronic components are becoming more and more demanding. Generally, the power suppl...[Details]
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According to a report by 91mobiles, Xiaomi's POCO M4 Pro 5G is one of the highly anticipated POCO smartphones. It is expected to be released in the coming weeks. However, the upcoming POCO smart...[Details]
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0 Introduction In modern radar systems, digital circuit boards with DSP (digital signal processor) chips are widely used. DSP chips basically support the IEEE 1149.1 standard and form a boundary sca...[Details]
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A charge pump voltage inverter is a DC/DC converter that converts the input positive voltage into a corresponding negative voltage, that is, VOUT = -VIN. In addition, it can also convert the ...[Details]