PSIgasm 3.0

Bill of Materials

Pressure (Muscle Tension)
Skin resistivity (moisture, vasocongenstion)
Skin reflectivity (heartrate, vasocongenstion)
External temperature (radiant heat, heat flow)

Platinum cure RTV silicone, from a 3D printed mold based on a CAD model

Digital Electronics:
Arduino Fio with a Xbee wireless shield

Analog Electronics:
Three channel phase sensitive lock-in measurement architecture multiplexed to 12 sensors with separate DC and AC amplification stages and 12 bit ADCs