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103 articles for “Gas sensors”
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Influence of Metal Contacts on Graphene Based Chemical Sensor Devices
Abstract: Graphene is a versatile material suitable for the device applications, both under normal and harsh environmental conditions. The graphene based devices require stable metallic contacts, both ohmic and rectifying, for reproducible operations. This is especially applicable to the few layer and multilayer graphene. This article deals with different ohmic and Schottky contacts on graphene. The methods of developing contacts by pre deposition and post deposition processing are highlighted. Furthermore, the …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 3, 2016 · pp. 1–9 Read article
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Iot Based Environment Monitoring System
Abstract: Pollution combined with climate change is creating long-term problems for natural resources. Their impact on soil, air, and water cleanlinessis growing, requires smart, immediate solutions. In this paper, we report on an IoT-based Environment Monitoring System whose purpose is to monitor the air quality, temperature, humidity, and soil moisture content. It consists of an Arduino Uno, gas sensors (MQ135, MQ9, MQ6), a temperature sensor LM35, a soil moisture sensor, and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 2, 2025 · pp. 8–14 Read article
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IoT Based Air and Sound Pollution Monitoring System
Abstract: One of the most important and significant elements influencing human lives and health, as well as the health of living things and the natural or constructed environment, is environmental pollution. The low- cost environmental pollution monitoring system described in this study will be used to measure temperature, dust, sound pollution, and highly toxic gases such as CO2, CO, and CH4. It was created based on user needs to identify and …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 12, Issue 2, 2025 · pp. 6–12 Read article
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Conducting Polymer Based Sensors for Detection and Estimation of CO2
Abstract: AbstractCO2 is a greenhouse gas causing global warming, therefore, its detection and estimation by some smart sensors are extremely important. This review paper made an attempt to present current state of affairs on development of conducting polymer based smart sensors for detection and estimation of CO2. This is followed by a discussion on merits and demerits of spectroscopic techniques for sensing CO2. Applications of conducting polymer particularly, poly aniline (PANI), …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 10, Issue 2, 2020 · pp. 1–7 Read article
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IoT Based Fire & Gas Detection Using Blynk
Abstract: This article provides a Blynk platform-based Internet of Things (IoT) solution for gas and fire detection. The suggested system has sensors that are linked to a microcontroller and can detect gas leaks as well as fires. These sensors provide wireless data transmission to a central processing unit. Safety and monitoring systems are only two of the many facets of daily life that the Internet of Things (IoT) has transformed in …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 30–36 Read article
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Automatic Track Faults Detection and Time Delay by using Embedded System
Abstract: AbstractThe technology used in metro train movement is the one which is used in most developed countries. The train contains a controller that gives the permission to the continuous running of the train from initial station to the upcoming destination. In this module, a self-directed train will eliminate the need of any driver; therefore, any manmade error will not take place. In this project, arduino controller has been used as …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 2, 2019 · pp. 10–14 Read article
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Detection of VOCs in Enclosed Space Using a Sensor Array
Abstract: In an era where rapid industrialization and urbanization continue to shape our environment, ensuring the safety and well-being of individuals in enclosed spaces is of paramount importance. One of the key challenges in this endeavor is the detection of toxic gases and volatile organic compounds (VOCs) that can pose severe health risks if left undetected. So, the primary motive of this model is to design and implement a sensor array …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 8–13 Read article
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IoT-Enhanced Integrated LPG Level and Leakage Detection System
Abstract: Increased statistics of fire outbreak occurrences and gas leakage incidents in both industrial and domestic applications has called for better safety measures in Liquefied Petroleum Gas (LPG) management. Research efforts are therefore geared towards developing solutions which could greatly curb the menace of fire outbreaks and leakages of highly flammable gases. The presented work focuses on the design and fabrication of an IoT-enhanced system dedicated to the monitoring and detection …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 9–16 Read article
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Early Fault Diagnosis of Vehicle EGR System Based on Support Vector Machine Technique
Abstract: It has been a challenge to the automotive world to manufacture the smart vehicle components that contribute to the performance of vehicle operations to adhere due to strict vehicle emission norms. In this context, engine operations need to carry systematically, which helps to maintain the function of the vehicle emission system properly. Now a day’s electronic sensors are playing a vital role in smarter vehicle component operation. In-vehicle exhaust gas …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 3, 2021 · pp. 1–11 Read article
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A Review on Social Distancing ID Card
Abstract: The frequency of fire accidents in homes, industries, and public spaces has increased due to electrical faults, human negligence, and flammable materials. Traditional fire-fighting systems often depend on human presence and manual intervention, which delays the response time. To overcome this limitation, this project presents an Automatic Fire Extinguisher System based on Arduino and IoT technology for real- time detection and suppression of fire. Gas, temperature, and flame sensors are …
Published in Current Trends in Signal Processing · Vol. 16, Issue 2, 2026 · pp. 28–38 Read article
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GSM Based Integrated Control System for Optimal Hazard Management
Abstract: It is no doubt that the lack of adequate control measures to control hazards such as fire outbreaks, flooding and intrusion have continued to undermine production and development in the country and had rendered many people homeless due to the negative effects imposed by these hazards. This work developed a system that provides smart alerts and control responses to emergencies such as fire outbreaks, gas leakage, flooding and intrusion in …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 2, 2022 · pp. 29–41 Read article
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Minimization Technique of Pollution and Traffic Using IOT: A Review
Abstract: With the evolving technology, the level of pollution is increasing day by day and even faster whether it is of any type. As more cars have been driving on the road, pollution levels have risen. The emanations at the crossing points have raised, due to which the people living thereby truly get effected by this. This brings the Web of Things into action (IOT) for solving this problem by using …
Published in Journal Of Network security · Vol. 10, Issue 3, 2022 · pp. 30–34 Read article
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Thin Film Technology in Sensor Manufacturing – A Technical Discussion
Abstract: Thin‑film technology has become the cornerstone of modern sensor manufacturing, enabling the convergence of miniaturisation, multifunctionality, and cost‑effective mass production. This paper surveys the latest advances in deposition techniques—ranging from magnetron sputtering and chemical vapour deposition to atomic‑layer deposition (ALD) and ink‑jet‑printed sol‑gel processes—and examines how their unique material‑control capabilities translate into performance gains across the sensor spectrum (chemical, physical, and bio‑sensing). By integrating nanoscale thickness control (≤ 10 nm) …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 47–57 Read article
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IoT-Based Manhole Detection and Monitoring System
Abstract: Urban drainage systems face numerous challenges, including blockages, harmful gas accumulation, and flooding, which pose risks to public safety and environmental health. This project introduces an IoT-enabled solution designed to monitor and address these issues efficiently. The system incorporates sensors to detect critical parameters such as gas levels, temperature, water presence, and nearby obstacles. A unique lifting mechanism ensures the hardware adapts to challenging conditions, maintaining uninterrupted operation. The system …
Published in Journal of Remote Sensing & GIS · Vol. 16, Issue 3, 2025 · pp. 1–6 Read article
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Structural, Optical, Surface, and Gas-Sensing Properties of rGO/Sn1–xZnxO₂ Nanocomposites
Abstract: rGO/Sn₁–ₓZnₓO₂ nanocomposites with x = 0.00–0.75 were synthesized by sol–gel auto-combustion followed by wet impregnation with reduced graphene oxide. The adopted synthesis route enabled homogeneous Zn incorporation into the SnO₂ matrix and uniform distribution of rGO, leading to improved structural integrity and interfacial contact between the two components. XRD confirmed a dominant tetragonal cassiterite SnO₂ structure, while FTIR, FESEM, EDS, UV–visible, and BET analyses verified oxide–rGO coupling, Zn-dependent structural modification, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 429–452 Read article
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Fire Detection And Prevention in Electric Vehicles (Ev)
Abstract: This abstract presents a novel approach to fire prevention and detection in electric vehicles (EVs), highlighting the challenges posed by their high-voltage battery systems. The proposed system integrates advanced fire detection technology, such as infrared sensors and thermal imaging, with automatic gas release mechanisms triggered upon fire detection to manage the temperature of the electric engine and suppress fires effectively. The chosen gas serves a dual purpose of reducing oxygen …
Published in Journal of Automobile Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 26–31 Read article
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Arduino Fire Guardian: Empowering Fire Safety with Robotics
Abstract: Identification of early fires is crucial in preventing losses. Fires often result in significant damage due to the lack of timely detection. Detecting and extinguishing fires early can protect lives and property. Robotics has become popular due to many advances in technology. A properly equipped robot will detect the fire. In the situation of a fire, a mounted robot will be directed to extinguish it. Equipped with sensors and a …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 20–27 Read article
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Enhanced Efficiency in Electric Vehicles: Gyroscopic Sensor for Power Optimization
Abstract: This research focuses on the design and production of a smart electric vehicle that uses a controlled gyroscopic sensor and microcontroller to automatically transfer power from the internal system to the wheels and vice versa. The era of electric vehicles has only recently begun, but it will significantly expand the automobile industry to the point where modern fossil fuel vehicles will eventually become outdated. The fact that they are environmentally …
Published in International Journal of Optical Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 32–40 Read article
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A Review on working principle of temperature sensors
Abstract: AbstractTo recognise and respond to electrical or optical signals, intelligent sensors are frequently utilised. Everyday activities include the usage of sensors. Sensors help the environment around us monitor and report more effectively. They are designed to improve human lives in almost every area and make them far more accessible. They are utilised in homes, residences, malls, hospitals, and smartphones. Different kinds of sensors are employed in daily life. The workings …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 21–25 Read article
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A System to Monitor and Regulate the Toxic Gasses in the Environment
Abstract: AbstractThe word vehicle and industry are very close to the human heart from the very initial stage of civilization. Both vehicle and industries make the life easy and play a very important role. As industries are very important for economic growth, technological growth and similarly vehicle are very important for the ease of transport, but there is one more side of industries and vehicles, which is very harmful. This side …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 1, 2017 · pp. 7–12 Read article