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LCD and controller interface circuit diagram: In the interface circuit design, since the LM320160CCW LCD display module is powered by 5 V, and the microcontroller is powered by 3.3 V, they cannot be ...[Details]
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The sound card obtains the sound analog signal from the microphone, and converts the sound wave amplitude signal into a series of digital signals through the analog-to-digital converter (ADC), whi...[Details]
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Driver of Universal Data Acquisition Card Based on LabVIEW
This paper introduces a method of calling a dynamic link library (DLL) through the Call Library Function Node provided...[Details]
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The circuit is shown in the figure below
1. Circuit working principle
BX is a fuse, RY is a zinc oxide varistor, which can be assembled in parallel on the filter (not...[Details]
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Next, we use the IMX257 IO pin interrupt + Linux input subsystem to implement a simulated keyboard key. The effect is that we use IO to simulate the three keys of key L, key S and Enter.
W...[Details]
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1. Introduction
As we all know, the position of the receiver in the radio measurement and control equipment is between
the antenna
and the signal processing system. Its function is to se...[Details]
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Ten years of experience in the industry, teaching you the 12th lesson of microcontroller introduction:
In order to deepen the understanding of an important feature of assignment statements, "coverage...[Details]
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The common method of using a single power supply to power an integrated operational amplifier is to raise the potential of the two input terminals of the integrated operational amplifier (usually rais...[Details]
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1. Comparison results and questions (1) Personnel technical level. If the reading method of the precision pressure gauge is not fully mastered, the error caused by the estimated reading will be large...[Details]
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It was previously reported that the Huawei nova 7 SE 5G Vitality Edition will go on sale on October 16. Now Weibo blogger @鹏鹏君驾到 has exposed the relevant poster, saying that this phone has a rea...[Details]
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1. Introduction
In order to improve the power density of the motor controller and maximize the system performance of the motor controller, it is necessary to monitor the temperature of each de...[Details]
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Diode D2 is used to eliminate reverse spike pulses. Capacitor C1 and inductor L are filters to smooth the switch output waveform. The maximum operating frequency of the circuit depends on the s...[Details]
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The status register contains information about the results of the most recently executed arithmetic instruction. This information can be used to change the program flow to implement conditional opera...[Details]
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Intel's six technology pillars drive all-round computing innovation and lead the era of "hyper-heterogeneous computing" The 2019 Intel China Media Sharing Conference was held today with the theme...[Details]
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The BOE Wuhan 10.5-generation LCD production line visit and TV display technology tasting event with the theme of "Seeking the Source" was held in Wuhan. At a time when the current TV industry and ...[Details]
FPGA/CPLD
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