seismo
Based on Build a Pendulum Seismometer for under $15 by bikeframe.
BOM
- 20Pcs 27mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker DIY - 6 USD
- 4pcs 30g fishing sinker - 49 NOK
- Raspberry Pi
- MCP3008 10 bit ADC
Based on Build a Pendulum Seismometer for under $15 by bikeframe.