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LTCC Flow Sensor with RFID Interface

Department of Electronic and Telecommunications Systems, Rzeszów University of Technology, Wincentego Pola 2, 35-959 Rzeszów, Poland
Faculty of Microsystem Electronics and Photonics, Wrocław University of Technology, Janiszewskiego 11/17, 50-372 Wrocław, Poland
Authors to whom correspondence should be addressed.
Sensors 2020, 20(1), 268;
Received: 27 November 2019 / Revised: 29 December 2019 / Accepted: 30 December 2019 / Published: 2 January 2020
(This article belongs to the Special Issue Advances in Flow and Wind Sensors)
The idea of battery-less flow sensors and their implementation in wireless measurement systems is presented in this research article. The authors take advantage of their latest achievements in the Low Temperature Co-fired Ceramic (LTCC) technology, RadioFrequency Identification (RFID) technique, and increasing availability of low power electronics in order to get rid of the need to use electrochemical cells in a power supply unit of the elaborated device. To reach this assumption, special care has to be put on the energy balance in such an autonomous sensor node. First of all, the new concept of an electromagnetic LTCC turbine transducer with a signal conditioner which only draws a current of around 15 µA, is proposed for measuring a flow rate of fluids. Next, the autonomy of the device is showed; measured data are gathered in a microcontroller memory and sent to a control unit via an RFID interface which enables both information exchange and power transfer. The energy harvested from the electromagnetic field is used to conduct a data transmission, but also its excess can be accumulated, so the proposed sensor operates as a semi-passive transponder. The total autonomy of the device is achieved by implementing a second harvester that continually gathers energy from the environmental electromagnetic field of common active radio systems (e.g., Global System for Mobile Communications (GSM), wireless network Wi-Fi). View Full-Text
Keywords: RFID; LTCC; energy harvesting; intelligent sensor; RFID tag; semi-passive transponder; thick-film sensor; wireless sensor network RFID; LTCC; energy harvesting; intelligent sensor; RFID tag; semi-passive transponder; thick-film sensor; wireless sensor network
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MDPI and ACS Style

Węglarski, M.; Jankowski-Mihułowicz, P.; Pitera, G.; Jurków, D.; Dorczyński, M. LTCC Flow Sensor with RFID Interface. Sensors 2020, 20, 268.

AMA Style

Węglarski M, Jankowski-Mihułowicz P, Pitera G, Jurków D, Dorczyński M. LTCC Flow Sensor with RFID Interface. Sensors. 2020; 20(1):268.

Chicago/Turabian Style

Węglarski, Mariusz, Piotr Jankowski-Mihułowicz, Grzegorz Pitera, Dominik Jurków, and Mateusz Dorczyński. 2020. "LTCC Flow Sensor with RFID Interface" Sensors 20, no. 1: 268.

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