Frequencies that mosquito hate are the same which moth love !
Choose than: mosquitos or moths !

On Tue, 8 Jan 2002, Bala Chandar wrote:

> There is an interesting pdf file (5_013.pdf) by Mark Walker in Microchip CD
> that describes how with a PIC you can build a simple mosquito repellant that
> mimics the 30Hz frequency of a dragon fly.
>
> I remember to have read somewhere that an ultrasonic frequency (possibly in
> the range of 25KHz to 40KHz), is quite effective in repelling mosquitoes.
>
> I would appreciate any suggestions on the frequency required for the project
> and other relevant details.
>
> Thanks & Regards,
>
> Bala
>
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