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need help choosing a microphone

Question asked by rjbUCF on Apr 18, 2014
Latest reply on Nov 12, 2014 by DaveThib



I am creating a door locking system with communication capabilities and need help choosing a microphone for the system. I will be installing the mic in the locking system located at the handle on the door. I need a small, low power mic to transmit quality sound from a distance 4-5  feet that will interface easily with a micro-controller. I am also unsure what an appropriate sensitivity level for this distance would be. any suggestions?