Learning Laboratory Chemistry through Electronic Sensors, a Microprocessor, and Student Enabling Software: A Preliminary Demonstration

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Abstract

We describe the construction and initial demonstration of a new instructional tool called ROXI (Research Opportunity through eXperimental Instruction). The system integrates a series of electronic sensors interfaced to control software via the Arduino platform. The sensors have been designed to make low-cost measurements for collection of data in instructional laboratory courses. Data is collected into a computer and can be displayed or plotted in nearly real-time. In addition, the student data can be analyzed within the computer automatically, and used to provide a feedback mechanism to assess whether students are analyzing experimental results correctly. Because the computer and software is able to perform all computations and data analysis independently of the student, the software can even assess the accuracy of student calculations, and assign grades based upon performance. In addition, since measurement data is logged and plotted it is possible for the software to assist
Original languageEnglish
Pages (from-to)pp 1562–1566
JournalJ. Chem. Educ.
DOIs
StatePublished - Jul 2017

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