Journal of Advances in Developmental Research

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Wireless Sensor Network for Environmental Monitoring

Author(s) T. Bhaira Vardhan Reddy, S. Jyothika, B. Lakshmi Subbamma, G. Hari Krishna, B.V. Hari Pratap Reddy
Country India
Abstract This paper presents the design and implementation of a wireless sensor network (WSN) for real-time environmental monitoring using a compact and energy-efficient architecture. The proposed system integrates multiple sensing units, including temperature and humidity (DHT11), carbon dioxide (CO₂), methane gas, and pressure sensors, to continuously observe critical environmental parameters. These sensors are interfaced with a NodeMCU microcontroller, which serves as the central processing and communication unit. The NodeMCU collects data from all sensors, processes the readings, and transmits the information wirelessly for monitoring and analysis. The system is capable of generating alert messages when the sensed parameters exceed predefined safety thresholds, thereby enabling early warning and preventive action. Additionally, the measured values are displayed locally for quick reference and verification. The proposed solution is cost-effective, scalable, and suitable for deployment in various environments such as industrial zones, agricultural fields, and urban areas. Its wireless capability reduces the need for complex wiring and enhances flexibility in installation. The system ensures continuous monitoring with minimal human intervention, improving reliability and response time. Overall, this work demonstrates an efficient approach to environmental monitoring by combining multiple sensors with wireless communication for accurate and timely data acquisition.
Keywords Wireless Sensor Network, Environmental Monitoring, NodeMCU, DHT11 Sensor, CO₂ Sensor, Methane Sensor, Pressure Sensor.
Field Engineering
Published In Volume 17, Issue 1, January-June 2026
Published On 2026-04-04
Cite This Wireless Sensor Network for Environmental Monitoring - T. Bhaira Vardhan Reddy, S. Jyothika, B. Lakshmi Subbamma, G. Hari Krishna, B.V. Hari Pratap Reddy - IJAIDR Volume 17, Issue 1, January-June 2026.
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