Something tied into an electronic dog whistle perhaps?
http://www.electroki...c-Whistle-Circuit
How to activate it selectively is left as an exercise for the reader. ;-)
Good luck.
Cheers,
Scott.
Ah.
Something tied into an electronic dog whistle perhaps?
http://www.electroki...c-Whistle-Circuit How to activate it selectively is left as an exercise for the reader. ;-) Good luck. Cheers, Scott. |
I have a dream.
- (crazy)
- (6)
- March 19, 2010, 09:36:16 AM EDT
Variation of noise cancelling headphone circuit?
- (Another Scott)
- (4)
- March 19, 2010, 12:22:36 PM EDT
Nope
- (crazy)
- (3)
- March 19, 2010, 01:13:26 PM EDT
Ah.
- (Another Scott)
- March 19, 2010, 02:31:43 PM EDT
As I have a neighbor with a kennel ...
- (Ashton)
- (1)
- March 19, 2010, 05:37:39 PM EDT
I'm thinking far more
- (crazy)
- March 20, 2010, 09:27:21 PM EDT
You want a Mosquito
- (scoenye)
- March 20, 2010, 09:47:53 PM EDT