http://www.mnementh.co.uk/ Tue, 07 Sep 2010 21:13:59 +0000 FeedCreator 1.7.2-ppt DokuWiki http://www.mnementh.co.uk/lib/images/favicon.ico http://www.mnementh.co.uk/ http://www.mnementh.co.uk/home/projects/misc/earthquake_detector/earthquake_detector?rev=1202291085&do=diff This project is an inexpensive earthquake detector (or will be, hopefully). It is based on this project by Jochen Lueg. The basic idea is that a heavy weight has significant inertia. If you somehow suspend the weight, then it will only be minimally affected by other motion in the area, and so can be used as a 'reference' of sorts - you can measure the difference in position between it and another point fixed to the ground. home:projects:misc:earthquake_detector Wed, 06 Feb 2008 09:44:45 +0000