Update README.md

Author: swharden

README.md

@@ -10,6 +10,10 @@
 * `WpfSpectrogram` - a WPF user control to display a `Spectrogram`
 
 ## Resources
+* [microphone spectrograph in C#](https://github.com/swharden/Csharp-Data-Visualization/tree/master/projects/18-01-11_microphone_spectrograph)
+* [QRSS Spectrograph in C#](https://github.com/swharden/Csharp-Data-Visualization/tree/master/projects/18-01-14_qrss)
+
+## QRSS-Related Resources
 
 ### Introduction to QRSS
   * [What is QRSS?](https://www.qsl.net/m0ayf/What-is-QRSS.html)