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The following is the test procedure for NRF24L01
Function: When the host presses a button and sends data, the corresponding LED indicator will flash; when the slave receives the signal, the correspon...[Details]
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0 Introduction
With the continuous progress of the times, people have put forward higher requirements for the safety of their environment, especially in terms of home safety, and have ...[Details]
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Interrupts - Part II, Interrupt on RB Change
Introduction
This discussion deals with the interrupt on RB change feature. It assumes the reader is familiar with the general discussion deali...[Details]
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On the evening of August 27, Ruifeng Optoelectronics released its semi-annual performance report, stating that its operating income in the first half of 2021 was approximately 718 million yuan, a yea...[Details]
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2 Output circuit design
The output port of the microcontroller is limited by the driving capability, and generally requires a dedicated interface chip. Although its output varies greatly depend...[Details]
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At present, the application of readers is becoming more and more widespread. In the process of production and sales, people often suffer from the lack of a quick and easy way to intuitively display th...[Details]
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The oscilloscope probe is crucial to the accuracy and correctness of the measurement results. It is an electronic component that connects the circuit under test to the input of the oscilloscope. Th...[Details]
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Computer-aided design and manufacturing (CAD/CAM) technology has been increasingly used in the field of CNC machining. CAD/CAM software technology is also developing rapidly, and many software prod...[Details]
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/* Use if().....else nested method for matrix keyboard detection + digital tube display + buzzer sound written by myself ; the compilation is passed, but the last two columns cannot be displayed (di...[Details]
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How do you use the X and Y axes to create a straight line in a PLC? The two axes need to be coordinated so that their speeds are linearly proportional. How should the position and speed be calculat...[Details]
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According to foreign media reports, starting around 2010, a large number of new commercial drone companies have flooded into the market, with abundant venture capital and a dazzling vision of drones ...[Details]
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0 Preface At present, wired networks are still used in early fire monitoring and alarm in buildings. The lines are spread all over the building, with high initial installation costs. At the same ti...[Details]
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Common cathode or common anode digital tubes require large current, while the output current of 51 is generally low, so latches are required. The development board I bought uses common cathode d...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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Based on the study of wireless sensor networks (WSN) and ZigBee protocol, a design scheme of infrared intrusion detection system based on ZigBee technology is proposed. This scheme takes advantage of ...[Details]
Embedded System
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