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Calibration data of sensitivity as a function of the resistor in series with the IR emitter.
Please send more data as you do this Chapter 7, activity #3  Feedback
Alternate resistance data can be generated by putting two or more resistors in series.
Resistors of 470+220 will provide a data point at 690Ω.
 

ResistorDistanceStudentDateOfMeasure
22058BS2/15/2011 12:00:00 AM
22077JK43/31/2011 12:00:00 AM
30063JK43/31/2011 12:00:00 AM
32065JK43/31/2011 12:00:00 AM
37053JK43/31/2011 12:00:00 AM
39054JK43/31/2011 12:00:00 AM
44033JK43/31/2011 12:00:00 AM
47041BS2/15/2011 12:00:00 AM
54045JK43/31/2011 12:00:00 AM
66051JK43/31/2011 12:00:00 AM
123