Low-cost Multi-Channel Interface for Passive Resistive Sensors

Zivko Kokolanski, Cvetan Gavrovski, Vladimir Dimcev, Dimitar Taskovski

Abstract

The paper elaborates the design and implementation of a low-cost multichannel interface for passive resistive sensors. The interface is based on a multivibrator in a monostabile configuration and is suitable for direct interface to a programmable devices (e.g. microcontrollers, field programmable gate arrays, etc.). In the paper, details concerning the sensor interface are presented, and different calibration techniques are described. The theoretical analysis are supported by a practical implementation.

Keywords

multivibrator, sensor interface, passive sensors, multi-electrode sensors

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IMEKO-TC4-2016-23.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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