MEMS based Low-Power Multi-Sensors device for Bio-Logging Applications - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier Access content directly
Conference Papers Year : 2021

MEMS based Low-Power Multi-Sensors device for Bio-Logging Applications

Abstract

This paper presents a low-power recorder for bio- logging applications. Based on 3 MEMS sensors, it provides up to 750h of 8kHz audio, 50Hz accelerometer and 10Hz magnetometer time-aligned data using a compact 1950mAH Li- Ion battery. This work comes as a follow-up of a previous study concerning an audio-only device. Having 3 asynchronous sensors raises new issues regarding buffering and CPU sharing that are addressed by using a real-time OS. Results demonstrate that logger autonomy is slightly impaired but still very usable in several applications.
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Dates and versions

lirmm-03740384 , version 1 (29-07-2022)

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Laurent Latorre, Jonathan Miquel, Simon Chamaillé-Jammes. MEMS based Low-Power Multi-Sensors device for Bio-Logging Applications. DTIP 2021 - Symposium on Design, Test, Integration & Packaging of MEMS and MOEMS, Aug 2021, Paris, France. pp.1-4, ⟨10.1109/DTIP54218.2021.9568669⟩. ⟨lirmm-03740384⟩
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