Vehicle remote ignition - Some questions.
hi there everyone, i'm new here can see firstly little bit me, i'm 21 , i'm apprentice in electronics. i purchased arduino uno r3 last week , have been having fun it, , came project idea. my idea able remotely start car via text message, can warm before getting in it. whilst reading this, remember car old , has no immobilisation/alarm (which makes easy) i've gotton far being able start car via web arduino hooked laptop via usb whilst laptop connected home wifi, , running php script can access via phone on same network. the way relays connected before key barrel, i've spliced accessories, on, ignition , earth wires , put relays between. <kind of primitive guess. i'm sure can work around cell part of project once cell shield, have 1 small issue. once you've warmed car , have gotton in it, naturally need put key in , turn on position release steering lock, fine. but once this, need arduino turn off/release relays when turn car off via key, ca...
