Proximity Car Key, RFID mod

[Pilgrimsmaster]

I dont know if this will be of use to your specifc scenario, but @turbo2ltr did a great job of his car project…there maybe some golden nuggets in his post that could help you out…

Using implant with factory keyless open and start

I got myself a car with keyless entry and pushbutton start. But carrying a fob is so 2010. Actually I’m really worried I’m going to lose it. It falls out of my pocket so easily. The idea is use an RFID access controller and build an interface between it and the fob The interface controller will control the power to the fob as well as the lock/unlock. A fob will need to be dedicated to it and be left installed in the car somewhere Challenges: The car senses when the (powered) fob is in th…