Geophone is an amplifier and a frequency analyzer for geometric sensors such as the SM-24 geophone element from ION Geophysical Corp. Every second the logger reports frequency components from 0 to 256 Hz and their measured amplitudes for amplitudes that exceed a programmed threshold over the serial port.
The amplifier is a single-sided PCB that fits on an Arduino as a shield. The Arduino handles the frequency analysis but relies on a PC to store and visualize the data.
Because of the memory usage for the frequency analysis an Arduino with at least 3,5 KBytes of memory is required; for now, this means either the Arduino Mega or the Arduino Due (including the version found on the UDOO board).
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