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Recently I read some source code of real-time operating systems . Task scheduling is an important part of real-time operating systems, but it is not very clear when and how scheduling occurs. The book...[Details]
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Mobile app data analysis company Sensor Tower today announced the revenue rankings of Chinese mobile game publishers in the global App Store and Google Play in March. Data shows that 38 of th...[Details]
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When some stepper motors do not indicate the winding phase sequence of the lead wires, you can use a multimeter and a DC power supply to find out the phase sequence of the lead wires. For example...[Details]
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Linear regulators have long been widely used in the industry. Before switch-mode power supplies became mainstream after the 1960s, linear regulators were the foundation of the power supply industry...[Details]
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The second stage of initialization: initialization of various system resources The second stage of initialization is performed only by the main cpu (cpu0) cpu1 ... etc. cpu is only responsible for ...[Details]
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Analog Devices Inc. (NYSE: ADI) recently announced that OrthAlign has selected ADI's high-performance iMEMS inertial motion sensing technology for its new portable surgical navigation system to con...[Details]
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Recently, the team of Academician Wu Feng from Beijing Institute of Technology has made a breakthrough in the research of positive electrode materials for aluminum ion batteries. Through in-situ elec...[Details]
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Common problems with using switching power supplies (DC switching power supplies) Because we often design RF or low-frequency analog circuits, switching power supplies are rarely used in designs. H...[Details]
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u-boot is a Bootloader commonly used in embedded systems.
Bootloader Introduction
Bootloader is a concept that you will inevitably encounter when doing embedded development. It is an impo...[Details]
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1 Introduction
In the past, LED asynchronous controllers could only display a screen as a complete area, or simply add a time area or a moving subtitle area, which often lacked sufficient fle...[Details]
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When LE is high, the states of D and Q are the same, both high and low; when LE is low, D is in any state while Q remains in its original state; OE is valid at low level. Using the bus method to ...[Details]
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(1) Before using the multimeter, you should first perform "mechanical zero adjustment", that is, when there is no electrical quantity to be measured, make the multimeter pointer point to the position...[Details]
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Introduction
Driven by modern technology, it is increasingly used in daily life and work scenarios. This article will introduce MercuryX1, an advanced robot that uses the camera at the end o...[Details]
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What will the future TV look like? Hisense TV, which has been leading the Chinese color TV market for 15 years, has given the answer with its new Hi Table social TV. This new concept product that int...[Details]
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ABB robots are intelligent devices widely used in the field of industrial automation, with high flexibility and reliability. In the programming and operation of ABB robots, movej and movel are two ...[Details]
Medical Electronics
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