
Just in time for Summer, here’s a design for a sonic pest repeller. Carla Schroder developed this project which uses an Arduino Uno along with the WAVE shield and a Maxbotix ultrasonic rangefinder. This simple yet reportedly effective design senses critters nearing your garden plot and plays sound files (stored on an SD card) intended to irritate and repel the invaders.
Via Linux.com.

And here is a pot of gold.
Finding the actual location is left as an exercise to the re^Wposter.
Here
http://www.linux.com/learn/tutorials/770774-how-to-build-an-arduino-pest-repeller-on-linux-part-1
http://www.linux.com/learn/tutorials/771700-building-an-arduino-pest-repeller-on-linux-part-2-
For the benefit of fellow readers, by ‘pest’ she meant deers, racoons and skunks. Some of us non-US types I’m sure were thinking mosquito and cockroach…
Thanks, I actually did just that. Oh well, tomato / tomato…