INFILTEC: How to Build an Inexpensive Seismometer - make seismograph kit
Y'all ever use a geophone to record music? Maybe check one out. : r/experimentalmusic
Building a seismograph from scrap
Geophone | Hackaday
Build a seismograph with Raspberry Shake — The MagPi magazine
Make Seisberry, an Open Source Seismograph #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!
geophone elements - PS-10XS - sunfull (China Manufacturer) - Other Electrical & Electronic - Electronics & Electricity Products - DIYTrade