DS213-Oscilloscope-Spectrum-Visualizer-Matlab

Matlab script to visualise Miniware DS213 Oscilloscope graph and its spectrum from csv file

How to use

1. Download DS213_Spectrum_Visualizer.m to some folder

2. With DS213 Oscilloscope record any number of CSV file (Square button -> Menu -> SaveCsv)

   

3. Copy CSV files from DS213 to the same folder as DS213_Spectrum_Visualizer.m

4. Open script folder in Matlab

5. Run the file either with pressing Run button or by typing DS213_Spectrum_Visualizer to the Command Window

6. All CSV file will be detected automatically

7. On the side there is Channel, Filename and Plot Percentage and FFT Separate parameters to play with

   • Channel: Which channel to plot A B C D. (C and D channels assume 1V/div because it's digital signal)
   • Filename: All CSV files in current folder
   • Plot Percentage: What percentage of all data to plot (DS213 records more data than it shows on the screen so at 100% signal gets squished)
   • FFT Separate: If True spectrum will be calculated from all signal data. If False it will only use Plot Percentage of data

You can Save As, Copy as Image and Copy as Vector Graphic (my favorite) to save graph for you use case

Copy as Image example

Known limitations

• Y axis units and 0 dB mark might be misleading because I'm not sure how to calculate it correctly. But the relative form of the spectrum seems ok
• GUI could be improved
• Code could be cleaner and better organized