TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-I Pressure Sensor Fabrication – Read-out Electronics f x,r Frequency out C x Capacitive sensing element C r Reference capacitor V c Control signal which switches between C x and C r V h Hysterisis of the Schmitt trigger

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-II Chemical Sensors – Electronic ‘nose’  Development of Methodology,  Development of electric characterization station,  Sensor fabrication,  Development of Read-out electronics,  Sensor packaging,  Sensor optimization and characterization Fabrication on Si SubstrateFabrication on Quartz Substrate Schematic (interacting electrodes)

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-II Chemical Sensors – Electronic ‘nose’ Sensor characterization station (diagram)

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-II Chemical Sensors – Electronic ‘nose’ Sensor characterization station (actual)

CAV 414 AD7708 Sensor Array Flow in Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-II Chemical Sensors – Electronic ‘nose’ The Read-out Electronic station developed TEI of Piraeus – Dept. of Electronics Eng. CAV 414AD7708

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-III Acceleration Sensors  Development of Methodology and Electric Characterization Station,  Sensor Packaging,  Development of Read-out Electronics,  Sensor Optimization and characterization

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-III Acceleration Sensors Electronics for the Accelerometer Control System

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-III Acceleration Sensors Accelerometer characterization station I : Hz (Electromagnetic)

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Collaboration in SENSORS-III Acceleration Sensors Accelerometer characterization station II : 0-5 Hz (Electromechanical) Motion Platform DC Motor Motor Controller Manual control Encoder

TEI of Piraeus – Dept. of Electronics Eng. Sensors & Optoelectronics Group & IMEL Future research plans  Design and development of station for sensors measurement, for research and for student training,  Design and development of sensor read-out electronics based on commercially available devices, such as AD7755, FPGA (digital & mixed signal)  Use of micro-controllers for the development of applications such as RFIDs  Further development of sensor networks for telemetry / telecontrol / environmental monitoring applications  Development of autonomous systems