IoT Smart Fire Alarm is a smart fire detection system that combines an ESP32 microcontroller with a React Native mobile application. The system monitors environmental conditions and sends real-time ...

Real-Time Sensor Monitoring Dashboard using Ultrasonic and DHT11 sensors, with data visualization on Ubidots via MQTT. Monitor environmental parameters like distance, temperature, and humidity in real ...

Abstract: A fiber-optic hydrogen sensor coated with a palladium/polymethyl methacrylate (Pd/PMMA) nanocomposite layer is fabricated and benchmarked here. The sensor with Pd/PMMA substituted cladding ...

Abstract: A substrate-integrated waveguide wireless passive temperature and pressure sensor, featuring an integrated metamaterial structure, has been developed to meet the stringent sensing ...