Earthquake sensor from OpenElectronicsStore on Tindie
USB seismic sensor - Kitti Varga
Solar Wireless AfterShock Earthquake Detector - WeatherSense – SwitchDoc Labs
Seismometer
E Control Devices - 2JCIE-BU Environment Sensor (USB Type), Sense a variety of environmental information Using OMRON's unique and innovative algorithm enables highly accurate determination of earthquakes based on vibrational acceleration Enables
SGx – Smart Seismic Sensor – SensoGuard
Wide Frequency Range 3c Seismic Sensor For Long-term Deployment Of Natural Earthquake Monitoring - Buy Earthquake Monitoring Seismic Sensor,Natural Seismic Sensor,Wide Frequency 3c Seismic Sensor Product on Alibaba.com
BE2100 Sensor - Non-Invasive Biomass Monitoring System
O-Navi USB Seismic Sensor | The Daily Californian
USB sensor monitors seven parameters | Engineer Live
DIY Earthquake Sensor - Instructables
GeoSIG Alarms / Switches - GeoSwitch
Plt850 4 In 1 Portable Gas Leak Detector Smart Sensor Home Usb Lcd Display Ex H2s Co O2 Outdoor Indoor Air Quality Analyzer - Gas Detector - AliExpress
INFILTEC: How to Build an Inexpensive Seismometer - make seismograph kit