> > Hi Erik, > > The gain setting on the microphone for tone_detect is large for > the sensorboard to hear itself sometime. You can either turn > the gain lower or use another sensorboard at a larger distance > to detect the tone. > > The frequency should be within range since it's been tuned by Xbow. > > Let me know how this goes? > > alec > > > ----- Original Message ----- > From: Erik <[EMAIL PROTECTED]> > Date: Friday, June 7, 2002 11:53 am > Subject: [Tinyos-users] test_sounder and tone_detect > > > I was playing with test_sounder and tone_detect to see how they > > work and > > check the functionality of my sensor boards. The sounder makes > > quite an > > obnoxious noise, but the tone_detect does not detect it as-is. > If > > I place > > my finger over the sounder, I can get tone_detect to hear the > > tone. I am > > not sure if it is the change in amplitude or frequency which > > affects the > > detector, as my ears believe both are in fact changed by the > > presence of my > > finger on the sounder. There seem to be a number of values > which > > I could > > potentially tweak in tone_detect, but I am not sure where to > > start. Is my > > hardware not working correctly, or is this a normal occurrence? > > How do I > > go about fixing this so that detection actually works without my > > finger? > > Thanks, > > > > Erik > > > > > > _______________________________________________ > > Tinyos-users mailing list > > [EMAIL PROTECTED] > > http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-users > > >
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