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DMA sends data After starting DMA and sending is completed, a DMA sending completion interrupt is generated. The following operations are performed in the DMA interrupt service function: Place ...[Details]
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Abstract: PID controller is the most widely used controller in industry. The PID parameter tuning problem in actual engineering has always been one of the problems that bothers technicians and ha...[Details]
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The power direction relay is one of the important devices used for protection and control in the power system. Its main function is to detect the power flow direction in the power system to achieve...[Details]
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I have been thinking for a long time. Every time I make a menu, I am limited by various restrictions of the 12864 character mode, such as font size, icons cannot be displayed, etc., and there is no ef...[Details]
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In April 2022, China's new energy vehicles were the only bright spot in the entire auto market, with year-on-year growth of more than 78%, which makes people full of expectations for the future of Ch...[Details]
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1 Principle of Fast Fourier Transform
The Fourier transform
of a non-periodic continuous-time signal x(t)
can be expressed as
The calculated value is ...[Details]
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When configuring the interrupt priority of each peripheral, most development boards used for learning are used to configure the NVIC group in the initialization file of each peripheral. For example, ...[Details]
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In this tutorial, we will see how to interface a 16x2 LCD with ARM7-LPC2148 microcontroller and display a simple welcome message. If you are new to ARM7, start with the basics of the ARM7 LPC2148 and...[Details]
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Recently, the annual NIWEEK came to an end in Austin. At the annual meeting, NI will set up a special exhibition area to showcase some of the hottest demos with partners. This year, NI has stepped up...[Details]
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Core Power Cloud Roadshow was established by Jiwei.com specifically to address the difficulties in semiconductor investment and financing during the epidemic. It has become the most influential onlin...[Details]
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A series feedback circuit is used to set the output impedance. This technique was introduced more than 40 years ago by John Wittman, a senior research engineer at Göte Lenkurt Electronics.
...[Details]
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Touch power supply circuit composed of L200 1
The output power supply circuit composed of L200 in the figure is mainly composed of a voltage-stabilized power supply and a touch numerical control...[Details]
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1: Driver brief description; The driver implements serial port interrupt reception and transmission of data, and the buffer uses a ring buffer. Transmission: manually set the RI interrupt flag to 1...[Details]
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Some habits for efficient and portable programs
These are some of my personal habits, and readers may not agree with them.
First, I will introduce two habits proposed by masters, which I deeply...[Details]
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01
Functional safety of domain controller (DC) ECU
With the emergence of attractive user experience, electrification and automotive ADAS functions, vehicle architecture is strongly moving...[Details]
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