32 November 2014
BUILD IT YOURSELF
By Ron Newton
Recently, I’ve had a lot of email activity on my "Poor Man's Seismometer,"
published in the Nuts & Volts May 2012 edition — especially since geophones
became available for $15 on eBay. Geophones increase the sensitivity and make
for a small unit. So, I decided to follow up with a three-axis accelerometer,
which is an adjunct for seismology.
THREE-AXIS HOCKEY PUCK
ACCELEROMETER
DATA
LOGGER
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