A resistive sensor for humidity detection based on cellulose/polyaniline
Ilaria Ragazzini, Riccardo Castagnoli, Isacco Gualandi, Maria Cristina Cassani, Daniele Nanni, Francesca Gambassi, Erika Scavetta, Elena Bernardi, Barbara Ballarin
Abstract
and a percentage of sensitivity of 13%. Response time as well as percentage of sensitivity results are similar to those of a commercial digital-output relative humidity and temperature sensor (DHT22) employed in parallel for comparison. The commercial sensor DHT22 has a sensitivity of 14%. This low-cost sensor has potential applications in agriculture, food monitoring, and medical and industrial environments as a disposable sensor for humidity detection.
Topics & Concepts
HumidityRelative humidityResistive touchscreenSensitivity (control systems)BottleneckProcess engineeringEnvironmental scienceComputer sciencePolyanilineMaterials scienceAutomotive engineeringEmbedded systemComposite materialElectronic engineeringMeteorologyEngineeringComputer visionPhysicsPolymerizationPolymerAdvanced Sensor and Energy Harvesting MaterialsGas Sensing Nanomaterials and Sensors