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Interrupt system process analysis: asm_do_IRQ(unsigned int irq, struct pt_regs *regs) handle_IRQ(irq, regs); generic_handle_irq(irq);/*Garmen: perform general interrupt processing*/ stru...[Details]
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Although Apple has not admitted it yet, it is no secret that they are developing a new AR/VR/MR headset, and if this new product goes well, it will be available to everyone at WWDC in June. Apple C...[Details]
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China Energy Storage Network:
With the rapid popularization of electric vehicles in cities, more and more communities are beginning to build public charging facilities. However, can the low-v...[Details]
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This note contains two aspects:
1. Just control the LED on and off, no value is returned
2. Control the LED on and off and return the value
I watched several lectures, all of which were about ser...[Details]
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Recently, the State Intellectual Property Office issued a "Decision on the Examination of the Request for Invalidation", with decision number 50993 and patent number 201210286901.2, maintaining the v...[Details]
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Abstract: This paper introduces the hardware circuit and software design of 5Hz/50V, 60V, 70V three-phase SPWM waveform generation, and gives
Output waveform of the inverter.
Keywords: in...[Details]
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The multimeter has a dead time during the test. There will be a delay during the multimeter test. The reasons are as follows: Additional time is required to perform the internal autozero measuremen...[Details]
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Circuit Functionality and Benefits
In a multichannel DAC system, being able to monitor all outputs at a single point is a major advantage for troubleshooting and diagnostic analysis. This...[Details]
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Lithium battery has changed the global industrial layout. With the development of new energy vehicles in China, the development speed of China's lithium battery industry is also amazing. So, what a...[Details]
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In the development process of set-top boxes, the development of source decoders is the foundation and core of the entire development work. With the introduction of the machine-card separation polic...[Details]
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1. Check whether the appearance is normal before measurement. A. Check the display after turning on the machine. Normally, it will show OL. B. Check whether the gear can be changed normally (usually ...[Details]
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Industrial equipment that operates from three-phase AC often requires an auxiliary power stage that can provide stable low-voltage DC power to analog and digital circuits. Examples of such applicat...[Details]
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When you want to use a DC ammeter with a smaller limit to measure a larger DC current, you can use a parallel shunt to expand the range of the meter. The shunt is a resistor r1 with a small limit, wh...[Details]
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1 Measurement Principle
The 8098 single-chip microcomputer has high-speed input and output channels with excellent performance. HSO0~HSO5 are high-speed output channels, which can generate puls...[Details]
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Since the current
LED
taillights are all horizontal, the LED angle is not suitable, and the light bowl is not well matched, and the reflective bowl basically does not work, resulting in
low
...[Details]
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