University of Oulu

Leikanger, T., Häkkinen, J., & Schuss, C. (2017). Interfacing external sensors with Android smartphones through near field communication. Measurement Science and Technology, 28(4), 44006.

Interfacing external sensors with Android smartphones through near field communication

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Author: Leikanger, Tore1; Häkkinen, Juha1; Schuss, Christian1
Organizations: 1Circuits and Systems (CAS) Research Unit, University of Oulu, Erkki Koiso-Kanttilan katu 3, 90570 Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 9.8 MB)
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Language: English
Published: IOP Publishing, 2017
Publish Date: 2019-08-23


In this paper, we present and evaluate a new approach to communicate with inter-integrated circuit (I2C) enabled circuits such as sensors over near field communication (NFC). The NFC-to-I2C interface was designed using a non-standard NFC command to control the I2C bus directly from a smartphone, which was controlling both, the read and write operations on the I2C bus. The NFC-to-I2C interface was reporting back the data bytes on the bus to the smartphone when the transaction was completed successfully. The proposed system was tested experimentally, both, with write and read requests to a commercial microcontroller featuring a hardware I2C port, as well as reading a commercial I2C enabled humidity and temperature sensor. We present experimental results of the system which show that our approach enables an easy interface between smartphones and external sensors. Interfacing external sensors is useful and beneficial for smartphone users, especially, if certain types of sensors are not available on smartphones.

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Series: Measurement science and technology
ISSN: 0957-0233
ISSN-E: 1361-6501
ISSN-L: 0957-0233
Volume: 28
Issue: 4
Article number: 044006
DOI: 10.1088/1361-6501/aa57da
Host publication editor: Arpaia, Pasquale
Catelani, Marcantonio
Cristaldi, Loredana
Conference: IMEKO TC10 Workshop on Technical Diagnostics
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work was supported by the Academy of Finland as part of the ICT2023 programme, second thematic call: ICT Sensors and Actuators.
Copyright information: © 2017 IOP Publishing Ltd. This is a peer-reviewed, un-copyedited version of an article accepted for publication/published in Measurement Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at