This was done as part of LBD Robotics. What it does :Here there were drums placed in front of the idol and when they were hit the durga came to life with music Items used:Raspberry Pi, Arduino, pressure sensors, stepper motor etc Technology behind it: pressure sensors when trigerred the logic trigerred motor driver and the pin responsible for the sound connected to the raspberry pi. The sound and the time were accurately calibrated to give the illusion of the whole thing