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Requirement: Measure the period of the pulse Idea: Use timer and external interrupt (falling edge trigger interrupt), when the first falling edge occurs, the external interrupt is triggered, and the ...[Details]
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A mobile power bank is a portable charger that integrates power supply and charging functions. It can charge or power standby for mobile phones and other digital devices anytime and anywhere. It usua...[Details]
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1. Basic concepts of 8051
1. What is MCS8051?
Answer: Initially, MCS8051 refers to the MCS51 series of microcontroller chips produced by INTEL. Later, many manufacturers' 8051 instruction sets were...[Details]
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#include
#define uint unsigned int
#define uchar unsigned char
#define psbset DDRB |= (1 4)
#define psbset PORTB |= (1 4)
#define psbclr PORTB &=~(1 4)
#define rsout DD...[Details]
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Next, let’s talk about S5PV210 development – UART detailed explanation, which mentions TTL and RS232 levels. RS232 Level Logic 1: -3V~-15V Logic 0: +3V~+15V TTL level Logic 1: +2V~+5V Logic 0: ...[Details]
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On June 16, ROG gaming phone 3 appeared in the AnTuTu database. The ROG gaming phone 3 seems to be equipped with a high-frequency version of the Snapdragon 865 flagship platform. The AnTuTu ...[Details]
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With the development of scientific research and the advancement of production technology, quantitative analysis of moisture has been listed as one of the basic items of physical and chemical analysis ...[Details]
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According to foreign media MacRumors, Apple is expected to integrate ambient light sensors into new AirPods in the next few years. These ambient light sensors will be manufactured by ASE Technology, ...[Details]
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The first mass-produced phone with an under-display camera, the ZTE Axon 20 5G, has already been released, but as expected, the photo quality of the under-display front camera is somewhat disappointi...[Details]
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Given the high cost of developing autonomous driving, Volkswagen and Ford invested in a joint venture, Argo AI (enter the ARGO AI micro portal), for joint development. In July 2019, after months of n...[Details]
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Maintenance of input liquid level gauge 1. Clean once a month. 2. When cleaning, first open the nut of the iron pipe of the submersible water level gauge and carefully take out the liquid level gauge...[Details]
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In recent years, TWS wireless Bluetooth headsets have been favored by users, so how do they work? TWS wireless Bluetooth headsets are connected wirelessly via Bluetooth. There is no connection line b...[Details]
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1. Fast speed, high cost performance, rich on-chip resources, strong IO port driving capability, many optional models, good confidentiality (the program is not easy to be deciphered), easy to learn an...[Details]
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The China Automotive Power Battery Industry Innovation Alliance released the latest monthly power battery information on November 11. The data showed that in October, my country's power battery insta...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]
Embedded System
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