Differences

This shows you the differences between two versions of the page.

--- project_ideas:drone_detection:start [2023/02/19 10:54] – [Acoustic] rolf.becker
+++ project_ideas:drone_detection:start [2023/02/19 10:58] (current) – [Off-Topic] rolf.becker
@@ Line 3: / Line 3: @@
 ===== Acoustic =====
-  * https://www.wildtronics.com/parabolic.html
   * https://makezine.com/projects/squirrel-baffle-spy-microphone/
-  *
+  * https://www.parabolicmicrophone.co.uk/
+  * https://www.wildtronics.com/parabolic.html
+===== Off-Topic =====
+  * https://martinmitchellsmicrophones.wordpress.com/2018/05/28/the-parabolic-microphone/
+[[https://martinmitchellsmicrophones.wordpress.com/2018/05/28/the-parabolic-microphone/|{{https://martinmitchellsmicrophones.files.wordpress.com/2018/05/parabolic-ears.gif?300}}]]