Authors : Nikita Surwade, Divya Kale, Kalpesh Patil , Darshana Chavhan , RajendraV. Patil
DOI : 10.46335/IJIES.2025.10.4.4
Abstract – This paper presents a smart IoT-based environmental monitoring and control system utilizing the Raspberry Pi Pico W microcontroller. The system is equipped with DHT22 temperature and humidity sensors, an LDR for light sensing, and actuators like fans for environmental control. Sensor data is transmitted via Wi- Fi to cloud platforms such as Thing Speak for real-time monitoring. When environmental parameters cross set thresholds, actuators are automatically activated. The system is cost-effective, energy-efficient, and highly suitable for applications in agriculture, healthcare, smart homes, and industry.
