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Data logging is the process of collecting and storing data from an experiment. Traditionally, data from science experiments was collected manually by hand and graphs were produced using pen and paper. By the introduction of cheap and powerful microcontrollers, all data logging operations are currently carried out using microcontroller-based data logging devices. This article describes the design of an educational microcontroller-based data logger device, which can be used to collect and save data for both offline and online analysis. © 2009 Wiley Periodicals, Inc. Comput Appl Eng Educ 18: 397–405, 2010; Published online in Wiley InterScience (www.interscience.wiley.com); DOI 10.1002/cae.20281 [ABSTRACT FROM AUTHOR]

Abstract: In this paper, we propose a novel low-cost BIST scheme for testing low-pass FIR and IIR filters, based on the oscillation-based test (OBT). The OBT–BIST scheme developed here avoids test-pattern generation and tests the filter at-speed, without test-point insertion. We employ a systematic procedure for designing the oscillator and for obtaining the oscillation conditions in advance. The simulation results show high fault coverage for the filters under test, with low area overhead and acceptable test time. [Copyright &y& Elsevier]