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• Burlamaqui, A
• Gonçalves, L
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Sensors 2012, 12(2), 1572-1593; doi:10.3390/s120201572

Article

Method for Reading Sensors and Controlling Actuators Using Audio Interfaces of Mobile Devices

Rafael V. Aroca* , Aquiles F. Burlamaqui and Luiz M. G. Gonçalves

NatalNet Laboratory, Technology Center, Computing Engineering and Automation Department, Federal University of Rio Grande do Norte, Natal, RN 59078-900, Brazil

* Author to whom correspondence should be addressed.

Received: 24 December 2011; in revised form: 29 January 2012 / Accepted: 30 January 2012 / Published: 6 February 2012

(This article belongs to the Special Issue Ubiquitous Sensing)

Download PDF Full-Text [3212 KB, Updated Version, uploaded 7 February 2012 15:53 CET]

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Abstract: This article presents a novel closed loop control architecture based on audio channels of several types of computing devices, such as mobile phones and tablet computers, but not restricted to them. The communication is based on an audio interface that relies on the exchange of audio tones, allowing sensors to be read and actuators to be controlled. As an application example, the presented technique is used to build a low cost mobile robot, but the system can also be used in a variety of mechatronics applications and sensor networks, where smartphones are the basic building blocks.

Keywords: sensors; smartphones; mobile devices; mechatronics; robotics; robot; control; actuators

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