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App note: Passive entry door system with proximity sensor

Posted on Sunday, July 28th, 2019 in app notes by DP

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A full implementation of a keyless entry from Microchip. Link here (PDF)

The door access systems have evolved from simple physical keys to more sophisticated keyless entry systems. Now, we have a system that automatically unlocks the door when user carrying an access key approaches the door handle. As it does not require any user action this system is referred to as Passive Entry

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