this project works on dtmf mobile signal which are receive in to dtmf ic
through cell phone using hand free aim was that to make a anti theft
gsm base dtmf system through which we can turn of our bike using any
mobile and make a call on receiver cell phone which is installed in bike
and circuit will turn off the bike immediately in the end snatcher will
leave the bike.. it depend on your condition when u got time to call on
bikes cell phone you can even trace your bike by using extra support
from police and network provider . its very helpfull equipment for home
automation system also .... u can control various things of home using
ur cell phone like water motor etc etc ....