you can use a mercury switch or a really small metall ball = switcth..(personally I woulnd't use mercury, because of the environment) I had some links for that once..lost them though, sorry :/ ----- Original Message -----=20 From: "Spehro Pefhany" To: Sent: Wednesday, May 30, 2001 7:44 PM Subject: Re: [ot]: how DO you maesure vibration ?? > At 12:37 PM 5/30/01 -0500, you wrote: > >Hey gents, > > > >I was just thinking about it, and I don't have any idea > >how a vibration sensor works? > > > >Anybody have some knowledge to share in this area? >=20 > You can manipulate (integrate) the signal from a > MEMS accelerometer- that's how I'm doing it in a product > I'm finishing up right now. >=20 > Best regards, > = =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D > Spehro Pefhany --"it's the network..." "The Journey is the = reward" > speff@interlog.com Info for manufacturers: = http://www.trexon.com > Embedded software/hardware/analog Info for designers: = http://www.speff.com > Contributions invited->The AVR-gcc FAQ is at: = http://www.bluecollarlinux.com > = =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D >=20 > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body >=20 >=20 -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body