ultrasonic mosquitoes repeller

[Vedran1]

I think somebody has good imagination so he came to idea building mosquitoes repeler based on sounds...

Bye

 

[Bikerman]

Just saw this one:
http://members.shaw.ca/novotill/UltrasonicPestRepeller/index.htm

I tried ultrasound through a piezo speaker, it did produce the 40 KHz I insertet but along with dosent other frequency's alot of them under 15KHz ;D

Come to think of it, I once saw a program for your PC they clame will do the job