I want to Design and Construct a remote control system for starting and stopping car engine, opening car doors with 5-minuite shut down timer( i.e to open car doors then after 5-minuite the door(s) close).I also want the remote to indicate by beeping 1-minuite to the end of 5-minuites.Iwant an assistance on designing the circuit and how to actualize the project. Thanks for the assistance. Bless you