Low-cost wireless surface EMG sensor using the MSP430 microcontroller

Armand Beneteau, Gaetano Di Caterina, Lykourgos Petropoulakis, John Soraghan

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

13 Citations (Scopus)
392 Downloads (Pure)


Electromyography is the study of the voltage polarisation signals generated during body muscle contractions. Surface EMG is non-invasive and is ideal for applications such as training, rehabilitation and active prosthesis control. Despite the progress in technology, myoelectric prostheses currently on the market still adopt simple analog sensors. Digital EMG acquisition is now common practice in research and academic institutions, but it involves fairly expensive pieces of equipment. This paper describes the implementation of a low-cost wireless surface EMG digital sensor based on the MSP430 microcontroller from Texas Instruments. The proposed acquisition system fully exploits the capabilities of the eZ430-RF2500 Development Tool to digitise surface EMG signals, transmit them wirelessly between nodes and finally read them into a PC for further processing. Experimental results demonstrate the effectiveness of the proposed system in acquiring sEMG signals for pattern recognition and real-time control.
Original languageEnglish
Title of host publication6th European Embedded Design in Education and Research Conference (EDERC), Milano, Italy, 2014
Place of PublicationPiscataway, NJ
Number of pages5
ISBN (Print)9781479968411
Publication statusPublished - 12 Sept 2014


  • body sensor networks
  • data acquisition
  • medical signal processing
  • patient rehabilitation
  • body muscle contractions
  • surface EMG signal digitisation


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