Well today i went and searched the use of piezoelectrics. This was a interesting investigation and came about by the fact that i wanted to use a sensor that didnt involve a button so i performed some research on this element.
The piezo is derived from the Greek and means SQUEEZE!
This helps to explain the function of the piezo
The piezo is squeezed and then it senses a trigger that sends a voltage thru to the circuit board
This is used in appliances like lighters and speakers, but more to my interests it is used in electric drumkit as recievers and is also used in the GUITAR HERO drum kits =)
=)
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