Steve B wrote:
I subscribed to some electronics newsgroups, but as of yet haven't passed
through their process to get messages.

I want to build an ultrasonic dog repeller. I do real estate inspection,
and there are times that I encounter either obnoxious dogs or aggressive
dogs. I carry pepper spray, and have almost had to use it, pitbulls both
times.

(...)

What about this, Steve?

http://www.harborfreight.com/transon...ler-96743.html

--Winston