Based on Arduino Pro Mini card with ATmega328P microcontroller, the 3 axis motion sensor gyroscope allows you to track the movement of the head or arm and replicate it to servos.

1.) I think that spring inside metal tube will be more reliable and less succeptible to permanent deformation. 2.) Arduino has no internal pulldown resistor, so it’s bad idea to use this sensor ...

Last Updated: 7/25/18. Teaching Standards: The SW-420 Vibration Sensor will detect large disturbances and send the data to the Arduino.