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Introduction: With the advancement of embedded microprocessor technology, 32-bit ARM processor systems have high computing speed and strong signal processing capabilities. They can be used as process...[Details]
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If there is a phase missing in the three-phase circuit, you need to check the motor control circuit from beginning to end with a multimeter to see where the problem lies and replace the component, ot...[Details]
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environment:
PC: debian-7.6.0
ARM CPU: S3C2416
Linux-Kernel: 3.6.0(FriendlyARM)
U-boot: 1.3.4 1. Source of problem ...[Details]
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This circuit can detect the ambient humidity and keep the ambient humidity within the required range by controlling the humidifying and drying equipment. Working principle of the circuit: After ...[Details]
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0 Preface With the development of semiconductor technology, integrated circuit manufacturing technology has developed from deep submicron to nanometer level. The significant improvement of transist...[Details]
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1 Introduction
At present, there are various methods for locomotive fault inspection and diagnosis, among which expert systems, fault tree analysis (FTA), and the combination of the two are wi...[Details]
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1 Design principle - meet the maximum impedance mismatch Insertion
loss should be increased as much as possible, that is, the signal reflection should be increased as much as possible. Assume...[Details]
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Since the switching device of the inverter is a high-power transistor, its overcurrent capacity is smaller than that of the thyristor, so the correctness of its capacity selection is directly relat...[Details]
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In the first half of 2018, the total output of diaphragms was 760 million square meters, an increase of 18.75% year-on-year. Among them, the output of wet-process diaphragms was 410 million square ...[Details]
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SP (R13) Special registers LR (R14) 1. When a subroutine exists, the return address of the subroutine is saved 2. When an abnormal interrupt occurs, save the return address of the abnormal mode PC (R...[Details]
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1. Create a project
2. Insert the MSComm control into the project
3. Use ClassWizard to define CMSComm class control variables
4. Add controls to the di...[Details]
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Central topic:
* Automatically detect open LED strings and adjust accordingly
Solution:
* Add a sense resistor at the bottom of each LED string and use only one control loop
* Autom...[Details]
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Recently, Dahua Technology, a leading security company, stated that it does not currently have chip research and development and production business, but it has established an effective management sy...[Details]
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In modern automotive embedded systems, highly secure data storage is essential, especially in the face of increasingly sophisticated cyberattacks. This article walks designers through the steps to pr...[Details]
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Servo motor encoder zeroing and alignment is one of the key steps to ensure precise control of the servo system. This article will introduce the methods of servo motor encoder zeroing and alignment...[Details]
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