DIY Geophone | money | This is a very simple DIY project that will save you quite a bit of money. Using parts that you can easily get online for under $50,
What do I need to know about geophones?
Build the Poor Man's Seismograph | Nuts & Volts Magazine
ASTM D7400-08 and ASTM D4428 Borehole 3D Geophone Downhole 3c Geophone Crosshole Geophones for Gea 24 Seismograph - China Borehole Geophone, Land Geophone | Made-in-China.com
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!
How to make a Geophone Vibration Detector - YouTube
Y'all ever use a geophone to record music? Maybe check one out. : r/experimentalmusic
Raspberry Pi helps geologists measure earthquakes and volcanoes
DIY Hydrophone « Felix Blume
Geophonic Seismometer – PhysicsOpenLab
Geophone | Hackaday
Geophonic Seismometer – PhysicsOpenLab
Building a seismograph from scrap
Build a seismograph with Raspberry Shake — The MagPi magazine