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The Vibration module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer.
The HMC5883L 3-Axis Compass Magnetometer Module measures magnetic fields in three directions or axes, labeled X, Y, and Z.
Sharp GP2Y0A02YK0F Infrared Proximity Sensor