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This is one of our wireless seismoacoustic sensor nodes. It is based on the Moteiv Tmote Sky ("Telos Rev B") sensors, the blue circuitboard on the right. The green circuitboard on top is our custom four-channel, 24-bit ADC board. The connectors on the left attach to the seismometer and microphone. The gold pigtail on the upper right of the Telos mote connects to the antenna.