The Grove - IMU 9DOF (lcm20600+AK09918) is a 9 Degrees of Freedom IMU (Inertial measurement unit) which combines a gyroscope, accelerometer and electronic compass.
GSR, standing for galvanic skin response, is a method of measuring the electrical conductance of the skin. Strong emotion can cause stimulus to your sympathetic nervous system, resulting more sweat being secreted by the sweat glands. Grove – GSR allows yo
This sensor is based on the Winsen MP503, and detects carbon monoxide, alcohol, acetone, thinner, formaldehyde and other slightly toxic gases, among others.