1. SMART LIGHTING Using Excel with Data from Analog Discovery and LTspice K. A. Connor Mobile Studio Project Center for Mobile Hands-On STEM SMART LIGHTING Engineering Research Center ECSE Department Rensselaer Polytechnic Institute Intro to ECSE Analysis

2. K. A. Connor15 September 2015 Outline Saving Data from Analog Discovery Ltspice IV Plotting Creating New Columns of Calculated Data

3. K. A. Connor15 September 2015 Analog Discovery Example RC Circuit (R = 1kΩ and C = 1µF) powered by a voltage square wave (50Hz and amplitude = 1V) Edit Button Copy as Image Export Button (to export as csv file) Input Output

4. K. A. Connor15 September 2015 Analog Discovery Saving Data Export Window Select Location The File Name I Chose ‘RC’ File Location File Name Note Columns for t, C1 & C2

5. K. A. Connor15 September 2015 Excel Start Excel Click Open and then select the file of interest (here RC.csv) Header Info and 3 Columns of Data are Now Found in Excel Save the File as RC.xlsx so that All Functionality is Available Will Return in a Few Slides Over 8000 Rows!

6. K. A. Connor15 September 2015 LTspice IV Create Circuit Solve Select File then Export

7. K. A. Connor15 September 2015 LTspice IV Export Export as CR.txt Start Excel Open CR.txt

8. K. A. Connor15 September 2015 LTspice IV Export You Get a Window Like This Select Finish and You Will See Something Like the Previous Spreadsheet

9. K. A. Connor15 September 2015 Three Columns Again Showing t, Input & Output Just Like with Analog Discovery, there are lots & lots of rows of data Now can plot, add columns with calculated values … Over 1300 Rows!

10. K. A. Connor15 September 2015 Summary Export to a type of file that can be opened by Excel Open the file Plot the data, etc… Pretty Simple