Low-Cost Architecture for an Advanced Smart Shower System Using Internet of Things Platform

Wastage of water is a critical issue amongst the various global crises. This paper proposes an architecture model for a low-cost, energy efficient SMART Shower system that is ideal for efficient water management and be able to predict reliably any accidental fall in the shower space. The sensors in this prototype can document the surrounding temperature and humidity in real time and thereby circulate the ideal temperature of water for its patron, rather than its reliance on predictive values . Three different scenarios are discussed that can allow reliably predicting any accidental fall in the shower vicinity. Motion sensors, sound sensors and gesture sensors can be used to compliment prediction of possible injuries in the shower. The integration with the Internet of Things (IoT) platform will allow caretakers to monitor the activities in the shower space especially in the case of elderly individuals as there have been reported cases of casualties in the slippery shower space. The proposed proof-of-concept prototype is cost effective and can be incorporated into an existing system for the added precedence of safety and convenience. The intelligent system is conserving water by optimizing its flow temperature and the IoT platform allows real time monitoring for safety

The Cavity Perturbation Technique to Detect Cobalt Ferrite and Cobalt Ferrite-Barium Titanate Core-Shell Nanocomposites in the Microwave Frequency Range for Biomedical Applications

This paper focuses on the cavity perturbation technique to measure the dielectric properties of nanoparticles: (i) cobalt ferrite (ii) barium titanate and (iii) core-shell cobalt ferrite-barium titanate. The shift in TE103 and TE105 resonant mode is compared for the above three nanomaterials which in turn is correlated to its dielectric properties. Barium titanate has the highest shift in resonance peak and it is directly proportional to its relative permittivity followed by cobalt ferrite-barium titanate and cobalt ferrite respectively. However, the half power bandwidth, Δf is highest for the cobalt ferrite nanoparticles and least for barium titanate. Approximately 1.145 MHz shift and 3.391 MHz shift is observed for the insertion of the lossy core-shell cobalt ferrite in TE103 and TE105 modes. The quality factor for barium titante was measured to be approximately twice to that of cobalt ferrite for this particular experiment.</p