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Fluorometer Control and Readout Using an arduino Nano 33 BLE Sense Board

APPLIED SPECTROSCOPY 2023年第2期77卷 220-224页

作者： Kitzhaber, Zechariah B. English, Caitlyn M. Sanim, Kazi Ragib, I Kalaitzakis, Michail Kosaraju, Bhanuprakash Hodgson, Michael E. Vitzilaios, Nikolaos Richardson, Tammi L. Myrick, Michael L. Univ South Carolina Dept Chem & Biochem Columbia SC 29208 USA Univ South Carolina Dept Mech Engn Columbia SC 29208 USA Univ South Carolina Dept Geog Columbia SC 29208 USA Univ South Carolina Dept Biol Sci Columbia SC 29208 USA

We describe the control and interfacing of a fluorometer designed for aerial drone-based measurements of chlorophyll-a using an arduino Nano 33 BLE Sense board. This 64 MHz controller board provided suitable resolution and speed for analog-to-digital (ADC) conversion, processed data, handled communications via the Robot Operating System (ROS) and included a variety of built-in sensors that were used to monitor the fluorometer for vibration, acoustic noise, water leaks and overheating. The fluorometer was integrated into a small Uncrewed Aircraft System (sUAS) for automated water sampling through a Raspberry Pi master computer using the ROS. The average power consumption was 1.1W. A signal standard deviation of 334 mu Vwas achieved for the fluorescence blank measurement, mainly determined by the input noise equivalent power of the transimpedance amplifier. An ADC precision of 130 mu V for 10 Hz chopped measurements was achieved for signals in the input range 0-600 mV.

关键词： Automation small uncrewed aircraft system (sUAS) aerial drone fluorometer automatic water sampling low-power low-cost lightweight microcontroller arduino

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arduino-based Recreation of Telecommunication Systems 16

Arduino-based Recreation of Telecommunication Systems

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16th Congress on Technology, Learning, and Teaching of Electronics (TAEE)

作者： Ruiz-Garcia, Margarita Velasco-Alvarez, Francisco Reyes-Lecuona, Arcadio Univ Malaga Dept Tecnol Elect Malaga Spain

ISBN: (纸本)9798350348682;9798350348675

This project is proposed to first-year students as a guided practice to familiarize them with the general challenges of electronics in telecommunication systems. It addresses aspects such as analog design for detection, microcontroller programming for digital processing, and actuator control. This practice includes two electronic systems in the field of Telecommunications. First, one called Optotheremin, a replica of the classic Theremin musical instrument based on a microcontroller and an optical sensor;second, a communication system based on light pulses and Morse code. Evaluation surveys reported student satisfaction.

关键词： microcontroller arduino sensors digital processing theremin

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arduino Automated Irrigation and Fertigation System with IoT Interface for Tomato Garden 16

Arduino Automated Irrigation and Fertigation System with IoT...

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16th International Conference on Computer and Automation Engineering (ICCAE)

作者： Atendido, Ace Daniel D. Osorio, Andrei Kent B. Magwili, Glenn V. Mapua Univ Sch Elect Elect & Comp Engn Antipolo Philippines Mapua Univ Sch Elect Elect & Comp Engn Cavite Philippines Mapua Univ Sch Elect Elect & Comp Engn Manila Philippines

ISBN: (纸本)9798350370058;9798350370164

The study aimed to address the negative impact of drought and inflation on tomato growth and horticulturists by developing an arduino-based automated irrigation and fertigation system with a graphical user interface (GUI). The objectives were: (1) to design and implement an irrigation and fertigation prototype and control. (2) to create a Graphical User Interface (GUI) showing sensor readings. (3) to apply the fertilization baseline and test and compare the tomato plant height of the proposed with the traditional setup. (4) to measure the water and fertilizer savings of the proposed setup compared to the traditional setup. The system, controlled by arduino Mega 2560 and connected to the internet via ESP8266 Wi-Fi, utilized solenoid valves to regulate water and fertilizer flow. The experiment compared a 4-square-foot proposed setup to a traditional one, with cherry tomatoes on loam soil. It was concluded that the researchers do not reject the null hypothesis because the estimated t-stat, -0.00072, is larger than -2.23 and less than 2.23. The p-value, which is 0.9994, is greater than 0.05. Thus, there is no difference between the proposed and traditional setup's tomato plant heights. Furthermore, the proposed setup and prototype saved 34553 mL and 119 mL of water and fertilizer and reduced water and fertilizer consumption by 61.3% and 53.3%. The prototype's electricity consumption cost for six weeks of 24-hour usage is 53 pesos.

关键词： Irrigation Fertigation arduino GUI IoT Tomato

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arduino Based Mobile Application for Fishermen 13th

Arduino Based Mobile Application for Fishermen

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13th Computer Science Online Conference

作者： Al-Muqaimi, Arwa AlKhuzaimi, Safiya AlMaawali, Jokha MohamedKasim, JannathlFirdouse AlLawati, Hala Al Zahra Coll Women Informat Technol Dept Muscat Oman

ISBN: (纸本)9783031702846;9783031702853

The project was created by integrating smart systems to protect against piracy and boats from sinking, as it includes the boat device system, including the use of arduino and Wi-Fi, a program to connect electronic devices, the sensor device, and the boat through an application. Also, it eliminates marine disasters. It came as a simple summary of the problems existing with fishermen and the drowning cases that fishermen receive, as there are many of them. Fishermen work in this simple task and their source, the project employs technology, and techniques to eliminate the disasters and marine problems they face. The project is a device that senses temperature change. It can also sense the heartbeat and temperature so that it will be indicated if there is a change in temperature or the level of the heartbeat. The application sends a signal to the patient to deal with the situation quickly. The smart device measures the body temperature and the pressure on the fisherman's body which notifies the health-related information. This leads to the successful operation of smart electronics in the event of a neurological disorder encounter with a fisherman.

关键词： arduino Wi-Fi temperature heartbeat boat location fisherman

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Educators’ intention to use tangible and graphical experimentation with arduino and Micro:bit

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Discover Education 2025年第1期4卷 1-14页

作者： Tselegkaridis, Sokratis Sapounidis, Theodosios Triantafyllou, Serafeim A. Department of Information and Electronic Engineering International Hellenic University (IHU) Thessaloniki 57400 Greece School of Philosophy and Education Department of Education Aristotle University of Thessaloniki (AUTH) Thessaloniki 54124 Greece

Nowadays, the educational process is enriched with technological tools such as arduino and Micro:bit. These tools offer both tangible and graphical interaction, however, widespread adoption by educators faces limitations. Many educators hesitate to utilize them, primarily due to lacking training. Therefore, this study examines educators’ behavioral intentions to use arduino and Micro:bit to enhance teaching and learning. Sixty-one primary and secondary school educators participated without prior knowledge of electronic circuits or programming. The examination aimed to assess: (a) educators’ preferences between tangible and virtual experimentation, and (b) factors influencing educators’ behavioral intention to use arduino and Micro:bit. The statistical analysis encompassed a range of methods, including factor analysis, and linear regression. The findings indicated a preference among educators for implementing arduino circuits through simulation, while no preference differences were observed between simulation and a real board for the Micro:bit. Additionally, linear regressions revealed that arduino and Micro:bit follow different paths leading to the behavioral intention to use. Specifically, with arduino, the intention to use is primarily influenced by users’ perceived usefulness. Conversely, in the case of Micro:bit, the intention to use is mainly driven by users’ attitudes towards its use. Hence, enhancing educators’ perceived usefulness and ease of use of arduino Uno and Micro:bit is essential for fostering their intention to integrate these tools into their teaching practices. © The Author(s) 2025.

关键词： arduino GUI Micro:bit Technology acceptance model TUI

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Geospatial analysis for natural disaster estimation through arduino and node MCU approach

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GEOJOURNAL 2023年第SUPPL 1期88卷 29-45页

作者： Shukla, Amar Adwani, Neel Choudhury, Tanupriya Dewangan, Bhupesh Univ Petr & Energy Studies UPES Sch Comp Sci Cybernet Cluster Dehra Dun 248007 Uttarakhand India Univ Petr & Energy Studies UPES Sch Comp Sci Informat Cluster Dehra Dun 248007 Uttarakhand India

Nature is unpredictable. The unconventional use of natural resources causes natural disasters like Volcanic Eruptions, Earthquakes that determine the more significant destruction in the social and mental lives of living beings. To predict, aware every human being the natural liabilities in this world to be conscious and have better rehabilitation centers. Uncertainty of natural disasters, A novel practical approach has been proposed with the base concept of the Internet of things. The system will generate a large amount of raw data, which helps prepare for the preparedness of rehabilitation and impact. The proposed system consists of a Global Positioning System Neo 6M, a Node Micro Controller Unit chip, a Message Queue-135 Air Quality sensor, an LM35 Temperature Sensor, Gyro Sensor 61 Gyroscope module, Global Positioning Neo 6M module. The Gyro Sensor-61 Gyroscope module track movements of the ground. The Message Queue 135 sensors watch out for the Gas and Smoke coming out from the volcano, while the Linear Monotholic Series 35 sensor checks if there is a rise in the surface temperature. The increase of surface temperature can help us determine this disaster before it happens to prevent it, while the other sensors help to know the impact after it has happened. As a result, the observation of the tremor level shows high content in the temperature (0 to - 5), tremor level slight indication is at the temperature range of (10 to 15), minute observation of the tremor level has observed in the field of (25 to 30). The spatial modules help to validate the latitude and longitude derivatives to provide the Disaster prone area.

关键词： arduino Node MCU Gyroscope Air quality Temperature Humidity Geospatial Tremor

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Silicon Spike: An arduino-based low-cost and open-access triggerbox to precisely control TMS devices

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BEHAVIOR RESEARCH METHODS 2025年第5期57卷 1-9页

作者： Ippolito, Giuseppe Quettier, Thomas Borgomaneri, Sara Romei, Vincenzo Univ Bologna Ctr Studies & Res Cognit Neurosci Dept Psychol Renzo Canestrari Alma Mater Studiorum Cesena Campus I-47521 Cesena Italy Univ Udine Dept Languages & Literatures Commun Educ & Soc Lab Cognit Neurosci Udine Italy Univ Antonio de Nebrija Madrid Spain

Transcranial magnetic stimulation (TMS) is a widely used tool in the field of clinical and cognitive neuroscience. To exploit its excellent temporal properties, TMS usually relies on triggerbox devices, which temporize the delivery of magnetic pulses according to the paradigm requirements. However, a main limitation of most of the widely used triggerbox devices is that they rely solely on the experimental computer processor, which might add temporal uncertainty in delivering the TMS pulse when the computer's resources are drained by other experimental devices or by task execution itself, especially during repetitive TMS or dual-coil protocols. We aimed at developing a low-cost and easily reproducible triggerbox device which could overcome these limitations by relying on an external processor to handle the timing precision. We used an arduino Uno R4 Minima to build Silicon Spike, a low-cost ($60) triggerbox device. We tested the device's precision in delivering the TMS pulses under different working load conditions, and the impact over time. All of the tests were ecological, delivering real TMS pulses during dual-coil, repetitive, and patterned TMS protocols. We obtained extremely high precision (< 0.022 ms) in all of the tests. This means that, for smaller or longer latencies, the error remains negligible for TMS studies. Thus, the Silicon Spike device demonstrated microsecond precision in handling the TMS pulse delivery, establishing itself as a simple and yet precise device. We freely provide the source code and the hardware schematics, allowing anyone to reproduce our work.

关键词： TMS rTMS ccPAS Triggerbox arduino Open source

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arduino data loggers: A helping hand in physical geography

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GEOGRAPHICAL JOURNAL 2023年第2期189卷 314-328页

作者： Iribarren Anacona, Pablo Paul Lujan, Jean Azocar, Guillermo Mazzorana, Bruno Medina, Katy Duran, Gonzalo Rojas, Ivan Loarte, Edwin Univ Austral Chile Inst Ciencias Tierra Valdivia Chile Univ Austral Chile Lab Geoinformat Inst Ciencias Tierra Valdivia Chile Inst Nacl Invest Glaciares & Ecosistemas Montana Huaraz Peru Univ Nacl Federico Villarreal Lima Peru Atacama Ambiente Santiago Chile Univ Austral Chile Fac Ciencias Forestales & Recursos Nat Escuela Graduados Valdivia Chile

Microcontrollers such as arduino have been increasingly used by researchers to create and customise their own tools. In geography, microcontrollers are frequently used to design data loggers for monitoring purposes. We reviewed the use of arduino in physical geography to unravel the opportunities and challenges of using off-the-shelf tools in research. We conducted a literature review, putting the retrieved information in perspective with our experimental work in mountainous and riverine landscapes in Chile and Peru. We show that the low cost and versatility of Do It Yourself (DIY) data loggers open research opportunities, extending the range of application of their expensive commercial counterparts. The possibility of connecting arduino to a wide range of sensors, actuators, and wireless communication devices has helped to monitor rivers, glaciers, lakes, ice-waves, caves, and landslides, improving the temporal and spatial resolution of data collected in critical environments. Low-cost sensors have been extensively compared against expensive alternatives with good results, although they require thorough testing before field deployment due to the common existence of defective equipment. Building research equipment has several challenges. DIY data loggers might not be unconditionally accepted by environmental agencies, partially restricting their use to educational and research purposes. Failures in data loggers can be difficult to track, since they might be related to coding, electronic assemblage, or inadequate housing to withstand outdoor use. Yet, arduino-based data loggers have helped scientists around the world in different stages of their career, especially in scarcely funded research endeavours. arduino has boosted creativity and resourcefulness, paving the way for innovative monitoring strategies in physical geography.

关键词： arduino Chile data loggers microcontrollers Peru research creativity

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Experiential learning in physical geography using arduino low-cost environmental sensors

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JOURNAL OF GEOGRAPHY IN HIGHER EDUCATION 2024年第1期48卷 54-73页

作者： Pearce, Reagan Helen Chadwick, Michael A. Francis, Robert Kings Coll London Dept Geog Geog London WC2R 2LS England UCL Geog UCL Main CampusGower St London WC1E 6BT England

Transmission teaching which centres around traditional lecturing discounts the variety of different learners and individual aptitudes. Physical Geography as a discipline has historically provided a range of teaching methods beyond lecturing which embrace field and laboratory activities, frequently adapting new research technologies to further student learning. While technological trends are increasing the demand for Geography graduates with GIS, modelling, or programming skills, Geography lecturers should remain open to using other technological advances as teaching tools. Using an example of low-cost environmental sensors, this paper demonstrates how technologically-focused exercises can effectively solidify a range of geographical skills through experiential learning. Using Kolb's Experiential Learning Model to identify the key learning processes, we compare low-cost environmental sensor training to the UK's current Quality Assurance Agency for Higher Education's (QAA) Geography benchmarks. We also consider the practical applications of this technology as a learning tool for Physical Geography. In comparison with a student evaluation, this paper provides an initial basis to support additional qualitative investigations into the learning outcomes of independent, technology-based learning activities.

关键词： arduino environmental monitoring experiential learning sensor networks learning benchmarks

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Effect of project-based arduino robot application on trainee teachers computational thinking in robotics programming course

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EDUCATION AND INFORMATION TECHNOLOGIES 2024年第10期29卷 13155-13170页

作者： Nannim, Fadip Audu Ibezim, Nnenna Ekpereka Oguguo, Basil C. E. Nwangwu, Emmanuel Chinweike Univ Nigeria Dept Comp & Robot Educ Nsukka Nigeria Univ Nigeria Nsukka Dept Sci Educ Nsukka Nigeria

This study investigated the effect of project-based arduino robot application on students' computational thinking skills development in robotics programming course using the quasi-experimental research design. The participants consist of 73 students in tertiary institutions in South-East Nigeria that offer Computer and Robotics Education programme. There was no sampling as the entire second-year trainee teachers of computer and robotics education in the selected institutions participated in the study. The instrument used for data collection was the Robotics Programming Computational Thinking Scale (RPCTS). Mean and standard deviation were used to answer the research questions, while Analysis of Covariance (ANCOVA) was used to test the hypotheses at an alpha level of 0.05. The result of the study showed that students who were taught using Project-based arduino Robot Application (PARA) had higher mean computational thinking scores than those taught using the conventional lecture method, and there was a significant difference in the mean computational thinking scores of students based on method of instruction. Also, the male students taught robotics programming using PARA had higher mean computational thinking scores compared to their female counterparts, and there was a significant difference in the mean computational thinking scores of male and female students taught robotics programming using PARA. Schools and other stakeholders in education should support the training of teachers on how to develop and used project-based approaches in teaching/learning robotics programming-related courses.

关键词： arduino Computational thinking Robot Robotics programming Undergraduate students

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