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1 Introduction Protocol document download link: https://download.csdn.net/download/xiewinter/11295918 Figure 1-1 gives an overview of the SPI architecture. The main parts of the SPI are the status,...[Details]
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1. Each 8050 transistor can drive eight to sixteen LEDs. Only LEDs with the same light-emitting voltage (different colors usually have different light-emitting voltages) can be used in parallel. The ...[Details]
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Q1: How can we test the signal quality of 100M Ethernet and Gigabit Ethernet easily? Which desktop devices can be recommended? Which portable devices can be recommended?
A1: The signal quality of ...[Details]
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iQOO recently launched a new product in the entry-level U series - iQOO U5. This product has a larger battery and a thinner body. As a new product in the thousand-yuan price range, how is the e...[Details]
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Advantages and disadvantages of induction motors and series motors
Induction motors and series motors are both common AC motors, and they each have their own advantages and disadvantages.
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PLC is a programmable logic controller that uses a type of programmable memory to store programs, execute user-oriented instructions such as logical operations, sequential control, timing, counting...[Details]
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1. When storing this watch, pay attention to the ambient temperature and humidity. It should be placed in a dry and ventilated place to avoid moisture, acid, alkali and corrosive gases. 2. When mea...[Details]
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Jiwei.com reported on February 3 that the latest research report released by Strategy Analytics showed that the global smartphone application processor (AP) market revenue in Q3 2020 increased by 32%...[Details]
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China Energy Storage Network:
In 2021, most parts of the world experienced energy supply difficulties. Against this backdrop, IHS Markit released a report titled "Will the risk of power out...[Details]
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I recently used the nRF24L01 module and debugged it with the circuit board that I used to debug nRF2401. I referred to other people's program codes, which are programs that simulate SPI. I digested an...[Details]
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The ultrasonic transmitting circuit diagram is shown in the figure below. The size of the applied voltage of the ultrasonic transducer is an important factor in determining the detection distance. Th...[Details]
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Abstract: This article uses a military industrial computer as the platform and uses general-purpose and self-developed special PC virtual instrument cards to form an integrated radar performance...[Details]
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Image: Narada Power Supply
Chinese battery manufacturer and energy storage solutions provider Narada Power Co Ltd and EDF Renewables will collaborate on battery energy stora...[Details]
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#include iom16v.h #include macros.h #include delay.h #define uint unsigned int #define uchar unsigned char #define dula_set PORTA |=BIT(3) //Digital tube segment selection #define dula_clr PORTA &...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
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