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A pedagogical approach to wavelength division multiplexing measurements using 3D printing and arduino

Physics Education 2023年第6期58卷 065008-065008页

作者： Rana, Ankush Bhatnagar, Shivansh Garg, Sagar Garg, Amit Department of Electronics Acharya Narendra Dev College University of Delhi Delhi India Department of Electronics and Communication Engineering Bharati Vidyapeeth’s College of Engineering Guru Gobind Singh Indraprastha University (GGSIPU) New Delhi India

We have successfully performed wavelength division multiplexing (WDM) measurements using traditional as well as innovative approaches. The results obtained are accurate and precise. Both the approaches add to the conceptual understanding of WDM for the students. The innovative approach allows students to develop the WDM experimental setup at a very low cost by using the arduino Board. It reduces the hardware dependence of the costly instruments like function generators as well as digital storage oscilloscope besides facilitating the carrying out of experiment using RGB LED and single optical fibre. It can be used as a good classroom demonstration to explain this difficult concept. The 3D design and printing of connectors for the RGB LED, and the optical rod has made the system very robust as one can easily couple, multiplex and demultiplex the optical signals. It is to the best of our knowledge that these studies have not been reported earlier. © 2023 IOP Publishing Ltd.

关键词： 3D printing arduino uno FDM STEM education WDM

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IoT Based Nurse Activities Monitoring and Controlling System

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Advances in Internet of Things 2023年第3期13卷 63-82页

作者： Ahsan Ullah Md. Emtiaz Ahammed Md. Mohiuddin Bhuiyan Sourob Chandra Dasgupta Kazi Hassan Robin Nazmus Sakib Department of Computer Science and Engineering World University of Bangladesh Dhaka Bangladesh

IoT technology has emerged as a valuable tool in modern healthcare, providing real-time monitoring of patients, effective management of healthcare, and proper administration of patient information. The proposed system aims to develop a system that can prevent backward blood flow from stopping saline fluid, as well as monitor the temperature, heart rate, and oxygen level of patients by using multiple sensors like weight, temperature and heart rate, etc. Additionally, the proposed system can monitor the room temperature and humidity for contributing to the patient’s overall comfort. In emergency situations, it includes an emergency push button for quick alert medical staff and initiates timely interventions. It is designed to support nurses and doctors in monitoring patients and providing timely interventions to prevent complications.

关键词： IoT Nursing Activities Patient Monitoring IV Saline Bag arduino uno NodeMCU (ESP8266) LM35 DHT11 MAX30102

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IoT-Based Household Equipment Control System Using Laser-LDR Pair 8

IoT-Based Household Equipment Control System Using Laser-LDR...

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8th International Conference on Electronics, Materials Engineering and Nano-Technology, IEMENTech 2025

作者： Paul, Ankan Taran, Somoshree Adhya, Sayanti Chakrabarty, Ratna Kolkata Department of ECE Kolkata India

ISBN: (纸本)9798331520762

To automate several household tasks, it is proposed to have an automation system that combines an arduino uno with a laser and light-dependent resistor (LDR) along with some other sensors. The system detects the entry and exit of a person, senses the internal environment and takes necessary actions. This approach demonstrates a simple yet effective method for automating home functions based on motion detection. The light, temperature and air quality are constantly monitored and corrected to provide a necessary ambiance, that offers convenience, energy savings and enhanced home management. © 2025 IEEE.

关键词： arduino uno DHT11 Home automation IOT LDR Sensors

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A Smart BiDirectional Visitor Counter System Designed for Single Door Entry & Exit Setups with Dynamic Tracking and Data Regression Analysis based on IoTML 23

A Smart BiDirectional Visitor Counter System Designed for Si...

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Proceedings of the 5th International Conference on Information Management & Machine Intelligence

作者： Indra Kishor Akshay Sharma Gargi Singh Tanwar Udit Mamodiya Computer Engineering Poornima Institute of Engineering & Technology India Computer engineering Poornima Institute of Engineering and Technology India Dept. of EE Poornima Institute of Engineering & Technology Jaipur India

ISBN: (纸本)9798400709418

The rapid advancement of technology, particularly the Internet of Things (IoT), has revolutionized various domains by providing opportunities for developing efficient and intelligent systems. This work introduces a novel implementation of a “Bi-Directional Visitor Counter system using IoT for a single-door entry-exit setup powered by a dynamic tracking functionality with Data Analytics and Regression” Analysis that allow the system to perform data analytics and regression analysis on historical visitor count data to identify peak hours and visitor trends. Using this analysis, the system can predict potential busy periods, enabling administrators to proactively manage space and resources. The primary goal of our project is to track visitor flow at public places that have only one door serving as both the entry and exit point. The proposed system showed remarkable reliability and efficiency in our research. The system's ability is too accurately track no of person inside a room in real time, has significant practical implications for a variety of applications. For example, it can help in improving decision-making processes by providing insight into visitor peaks and patterns, enabling efficient resource allocation and optimized space utilization. Moreover, the proposed work with the novel approach with programming, holds promise to provide the facility of the visitor counter in real-time when a single door is available for both entry and exit purposes. It is a unique enhancement in our work because the traditional visitor counter is for two or multiple separate entry and exit door systems.

关键词： arduino uno

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Design of Multi-gas Monitoring Device for Indoor Air Quality

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Journal of Electronic & Information Systems 2023年第1期5卷 1-9页

作者： Serri Abdul Razzaq Saleh Huda Jamal Jumaah Zainab Ali Khalaf Sarah Jamal Jumaah Department of Environment and Pollution Engineering Technical Engineering College-KirkukNorthern Technical UniversityKirkuk36001Iraq College of Electronic Engineering Ninevah UniversityMosul41002Iraq Center of Disabled Rehabilitation Iraqi Ministry of HealthKirkuk36001Iraq

Besides the need for low-cost instruments for air pollution measurement and detection,nowadays there are many concerns about air pollution due to the fast changes and used *** research was applied using an MQ2 gas detector,and microcontroller/*** design steps included bonding and connecting readymade sensors,coding,and finally testing the *** has been conducted in Environment and Pollution Engineering Department laboratories,at the Technical Engineering College of *** study proposed the use of an MQ2 sensor for multi-gas rate detection which can exist *** system uses also a DHT22 sensor for measuring environment temperature and *** sensors are connected to arduino and LCD to present data on LCD by powering the system with external ***,the testing was conducted,and the device served as a measuring tool for indoor air as an accurate multi-gas rate detector.

关键词： MQ2 sensor arduino uno Indoor air quality(IAQ) Multi gas DHT22

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Real-time intelligent monitoring system based on IoT 18

Real-time intelligent monitoring system based on IoT

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18th International Multi-Conference on Systems, Signals & Devices (SSD)

作者： Bahhar, Chayma Baccouche, Chokri Ben Othman, Sofiene Sakli, Hedi Gabes Univ Natl Engn Sch Gabes MACS Res Lab Gabes 6029 Tunisia Tunis El Manar Univ Natl Engn Sch Tunis SYS COM Lab BP 37 Tunis Tunisia Univ Sousse PRINCE Res Lab ISITcom Hammam Sousse GP 1 Hammam Sousse 4011 Tunisia EITA Consulting 5 Rue Chant Oiseaux F-78360 Montesson France

ISBN: (纸本)9781665414937

Recently, security systems are one of the most important research problems. Among these systems is the gas and flame leak detection system. Here we propose a system to monitor the presence of fire and the gas concentration in real time in the atmosphere. This system is based on an arduino board which allows to process and transfer data from two sensors (gas and flame sensor) to a smart phone. An alert has been triggered if a gas or flame leak is detected. Indeed, a message has been sent to the person concerned. This, we made a wireless connection between the application that already installed on the smart phone and the arduino board through a Bluetooth module.

关键词： arduino uno Gas Sensor Fame Detector App Inventor

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Microcontroller Application in Feeding Fish Using an Android Mobile 3

Microcontroller Application in Feeding Fish Using an Android...

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3rd International Conference on Cybernetics and Intelligent System (ICORIS)

作者： Akhriana, Asmah Intan, Indo Tamsir, Nurlindasari Nirwana, Nirwana Rahmi, Rezkyanti Widia Rahmadani, Rahmadani Dipa Makassar Univ Dept Informat Makassar Indonesia

ISBN: (纸本)9781665425803

Aquariums are often functioned as room decoration and hobby distribution and become a place for living and breeding ornamental fish. Still, people who have a fairly busy schedule in terms of work will have difficulty maintaining ornamental fish, especially when leaving the house in a short time. The purpose of this study is to design a tool that can help the community in terms of scheduling feeding times and automatic water changes in the aquarium and being able to monitor the condition of the aquarium in real-time via an Android smartphone by utilizing the Internet of Things (IoT) technology. arduino IDE as a tool for creating systems using the C/C++ programming language. The result of this research is that the turbidity sensor and pH sensor can work according to a predetermined scale, which can read the highest water turbidity of 2989.6 NTU for fish feed samples mixed with coffee and the lowest for mineral water samples of 10 NTU. As for the pH sensor can read the lowest pH of 3.3 in 15 ml vinegar samples and the highest pH 7 in mineral water samples which means neutral. Likewise, with the solenoid valve, which can provide feed according to the amount of feed for carp that is 4-5 grams and according to a schedule determined by the user via a smartphone so that this tool can be an alternative solution for the public in monitoring the condition of the aquarium in real-time via a smartphone.

关键词： Aquarium arduino uno Turbidity sensor pH sensor Solenoid Valve

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Usability in a Mixed Cryptography and Hardware Security System 23

Usability in a Mixed Cryptography and Hardware Security Syst...

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Proceedings of the XI Latin American Conference on Human Computer Interaction

作者： Barbara Emma Sanchez Rinza Carlos Ignacio Robledo Sanchez Mario Rossainz Lopez Facultad de ciencias de la computación Buap Mexico Facultad de ciencias físico matemáticas Buap Mexico

ISBN: (纸本)9798400716577

Cryptography attempts to provide a private and secure transmission channel for communication between sender and receiver, through a secret key, so that, if an intruder manages to intercept this transmission, they cannot understand the content of the information. Cryptography is not a new or recent technology, it is as old as writing, which has adapted to the times, and to all the different means of communication such as the telephone, radio and current networks. At first, cryptography was only used in military environments to protect communications during war, but today with the development of multiple ways of communication, particularly the Internet, it became common for people to be more interested in protecting their information, from private information of an individual to protect information between communication channels to resolve government issues. In this work we will talk about cryptography application and its development, and how to apply all of this to a security system, which can be applied to locks, whether residential, cars or any other *** work will address the usability of this cybersecurity system, how it can help in our daily lives. And the focus it currently has on cybersecurity.

关键词： arduino uno Classic Cryptography Modern Cryptography Software Vernam algorithm cybersecurity encryption security algorithms

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A Smart Waste Management and Segregation System that Uses Internet of Things, Machine Learning and Android Application 6

A Smart Waste Management and Segregation System that Uses In...

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6th International Conference for Convergence in Technology (I2CT)

作者： Varudandi, Shaunak Mehta, Raj Mahetalia, Jahnavi Parmar, Harshwardhan Samdani, Krishna NMIMS MPSTME Comp Engn Mumbai Maharashtra India

ISBN: (纸本)9781728188768

In this environment of accelerated development around the world, more and more waste is generated by direct or indirect means. A daily generation of waste in tons requires an effective management technique. If not done suitably, virtually unlimited amounts of open spaces will be required to dump the waste. The system proposed in this research will lend a hand to solve these waste management problems. The main constituent of this system is a waste bin which will automatically segregate the waste by employing technologies such as Internet of Things and Machine Learning. The bin is connected to the cloud to assist in systematic waste collection by tracking and uploading various data points for a particular bin. A group of these bins will help in efficient garbage collection and management starting from the origin of the waste itself. An Android application which is also a part of this system will assist the relevant authorities to manage the bins as per real time requirements. Two versions of the system are elaborated in this paper with the first version achieving an accuracy of 75% in classifying the waste as wet or dry whereas the second version achieves an accuracy of 90% when segregating the waste into six distinct categories.

关键词： Waste Management Waste Segregation Internet of Things Machine Learning Image Classification Android arduino uno

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Advanced Library Management System using IoT 5

Advanced Library Management System using IoT

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5th International Conference on IoT in Social, Mobile, Analytics and Cloud (I-SMAC)

作者： Devi, P. Dharani Mirudhula, S. Devi, A. IFET Coll Engn Dept ECE Villupuram India

ISBN: (纸本)9781665426428

Libraries provide education, information, clears doubts and used as reference all over the world. Even though the internet provides tones of information and e-learning become popular, the importance of library wouldn't be reduced. But, maintaining library records is one of the most time-consuming processes. Nowadays computers and few ERP programs are used instead of manually writing ledgers. But still long queue of users can be seen in the library for issue, return and renew of books. This paper has proposed a RFID based advanced library management system which can detect the user as well as books automatically. This information will be updated in the database by microcontroller and PuTTY software. Library is the main source of information for many people. So, transforming the library into digital will mostly help them. This system will reduce the exhausting entry works by which the man power can be engaged in other productive works. RFID based library management system is well organized and reliable for users and workers.

关键词： RFID arduino uno PuTTY IoT Library management system

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