As seen in our May 2012 issue of Nuts & Volts Magazine. Read the article at the link below!
Build the Poor Man's Seismograph by Ron Newton
Now that other states (like Washington D.C.) know they are not exempt from earthquakes, more people are interested in seismic activity. Personally, I have been using seismographs most of my life. I actually have three in my back garage. In this article, I will present an old school way of performing measurements with an updated, yet simple seismograph that can be used anywhere ...
If you have a good supply of components, then this printed circuit board set and programmed chip is what you're looking for. You'll also need your PC, SD card, and to download the free software to view the seismic event-graph.
Templates and the Time Calculation Sheet can be found at the article link.
Kit Includes:Poor Man's Seismograph Kit