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The circuit in Figure 1 can create 32° hue of light using red and green LEDs . A constant current is divided into two parts. One part flows through a red LED and the other part flows through a gree...[Details]
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Channel 3 current conversion value 768;
#include iom16v.h
#include macros.h
//#include math.h
//#include stdio.h
#include "1602.h"
float num ={0,0,0,0,0,0,0,0};
...[Details]
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What is a timer and what is an interrupt? These are simple concepts that I will not elaborate on here. You can find a lot of information on Baidu.
The following is a personal use of timers and interr...[Details]
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Synchronous Digital Hierarchy (SDH) is a new transmission network system. Since its appearance in the early 1990s, SDH has quickly become the backbone network of communication networks with its a...[Details]
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Abstract Aiming at the inconvenience of electricity consumption and charging management in various places, this paper studies the remote electric parameter measurement technology based on ARM and E...[Details]
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When writing a medium-sized program, state machines and event structures are common design patterns. SR (SHIFT REGISTER) is often used to transfer data between various cases. When there are many cases...[Details]
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In the field of lighting technology, the combination of innovation and functionality always attracts much attention. Today, I would like to share an exciting new development in this professional fo...[Details]
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Since S3C2410 is a 32-bit processor (an instruction can operate 32 bits of data at a time (the arithmetic unit can process 32 bits of data at a time); most general registers are 32-bit registers; the...[Details]
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In recent years, new phones released by various manufacturers have not only undergone hardware configuration upgrades, but also undergone major changes in appearance design, the most obvious of whi...[Details]
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RedCap (Reduce Capability) is a new feature specifically defined by 3GPP Rel17 for IoT devices. Its purpose is to further reduce terminal costs and complexity and provide more choices for a wide rang...[Details]
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Serial port sending, receiving In while(1){printf("xxx"); delay(100); //delay function is needed here;} #include reg51.h //stdio.h, string.h are used for printf function prototype #include std...[Details]
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In a previous report, Toni Sacconaghi, an analyst at Bernstein, said that Apple's AirPods sales this year reached $6 billion, and it is expected to pre-sell 85 million units in 2020, generating about...[Details]
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According to foreign media CNET, Apple is developing a head-mounted display. Apple has not revealed any exact information about the rumored AR glasses, but through the Focals smart glasses previously...[Details]
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The oscilloscope current probe is a magnetic ring designed based on Faraday's principle to measure interference current signals in wires. It is essentially a transformer with 1 turn. Current probes a...[Details]
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01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
Analogue and Mixed Signal
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