Postdoc Researcher
Konstantinos Kalovrektis, PhD
Hellenic Educational Society of STEM – E3STEM
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Konstantinos Kalovrketis holds a PhD in Computer Science from the University of Piraeus and a second PhD in Humanities and Social Sciences from the University of Thessaly, Greece. He completed his first postdoctoral research (PostDoc I) at the University of Piraeus, Department of Informatics Science, focusing on biosignal process measurements. His second postdoctoral stint (PostDoc II) was at the University of Thessaly, Department of Informatics and Telecommunication, on the topic ‘STEM for Girls’. He holds an MA in Education and an MSc in Embedded Systems. Currently, he is an adjunct lecturer (PD407) at the University of Thessaly, Digital Systems Department, and is engaged in a third postdoctoral project (PostDoc III) on the topic of Next Generation Digital Systems with an emphasis on Open Hardware Technologies and Embedded Measurement Systems for Engineering Education.
He is the author and co-author of more than 60 papers published in international journals and conference proceedings. Some of his works include topics on Measurement Systems, ECG and ZigBee sensors, EMG and ZigBee sensors, Physical Computing, Sensors, Data Acquisition, Data Analysis, Wireless Sensor Networks, and IoT in STEM education. Additionally, he has authored and co-authored more than 18 academic books.
He is a reviewer for many international scientific journals and has served on the scientific committees of numerous international conferences. He is an evaluator and certifier for the General Secretariat for Research and Technology in Greece. Previously, he was a mentor for the Open Technologies Alliance (GFOSS) in the Google Summer of Code (GSoC) and a coordinator for the STEAM committee by GFOSS. He is an editorial board member for several international journals and conference proceedings.
His research interests include electrophysiology, data acquisition systems for medical applications, wireless sensor networks (WSN), IoT applications and protocols, machine learning, ICT in education, STEAM education, development of hardware/software for IoT in STEAM, embedded systems, real-time measurement systems, control systems, FPGAs, sensors, educational robotics, remote labs, and pedagogical curriculum development and instruction.

Studies
PhD (II): “An Open Hardware Mechanism for Remote Implementation of Laboratory Activities in Science, STEAM, and Educational Robotics Educational Environments: Development, Usability, and Technological Acceptance by Educators.” University of Thessaly, School of Humanities and Social Sciences, Department of Primary Education.
PhD (I): “Advanced Measurement and Informatics Systems.” University of Piraeus, Department of Informatics, Greece.
Areas of interest
Electrophysiology, Embedded systems, real time measurement systems, control systems, FPGA, Sensors, IOT, education robotic, STEAM, ICT, Robotic, Remote labs, Pedagogical curriculum development and instruction.
Courses
Embedded systems, Sensors, IoT, STEM, ICT
Membership and professional affiliations
University of Thessaly – Digital Systems Department of the School of Technology
Board Member of “Hellenic Educational Society of STEM – E3STEM”
Selected List of Publications
Konstantinos Kalovrektis, Apostolos Xenakis, Antonios Gotsinas, Ioannis Korinthios, Georgios Stamoulis, “A Customizable Wireless Sensor System for Estimating and Transmitting Human Stress Levels Biosignals with IoT Platform”, Journal of Wireless Networking and Communications, 2020, 10(1): 9-16. https://doi.org/10.5923/j.jwnc.20201001.02
Konstantinos Kalovrektis, Apostolos Xenakis, Ioannis Korinthios, Athanasios Kakarountas, Antonios Gotsinas, and George Stamoulis, “An IoT – Sensor-Based Hand Trembling Robotic System for Studying Parkinson’s Symptoms”, International Journal of Internet of Things, p-ISSN: 2332-8339, e-ISSN: 2332-8347
Andreas Plageras, Apostolos Xenakis, Konstantinos Kalovrektis, Dimitrios Vavougios, “An Application Study of the UTAUT Methodology for the Flipped Classroom Model Adoption by Applied Sciences and Technology Teachers”, International Journal of Emerging Technologies in Learning (iJET), 18(02), 2023, pp. 190–202. https://doi.org/10.3991/ijet.v18i02.35585
Konstantinos Kalovrektis, Ioannis Dimos, Athanasios Kakarountas, “Computational Thinking: A Proposed Formative Assessment Rubric for Physical Computing Courses Using the Arduino Platform”, European Journal of Engineering and Technology Research (EJ-ENG)
Anastasia Boltsi, Konstantinos Kalovrektis, Apostolos Xenakis, Periklis Chatzimisios, Charalampos Chaikalis, “Digital Tools, Technologies, and Learning Methodologies for Education 4.0 Frameworks: A STEM Oriented Survey,” IEEE Access, vol. 12, 2024, pp. 12883-12901. https://doi.org/10.1109/ACCESS.2024.3355282