Today i am going to make a robot which can be controlled through mobile signals.This robot can be controlled all over world by just making call between 2 mobiles.
Step 1: Things You Will Need
A chassis or robot.
A 5v regulator.
A motor Driver IC Module.
A DTMF Module.
Some connecting wire.
One mobile on robot and one mobile in hand.
Firstly connect 3.5mm jack to DTMF module and now connect 4 output of DTMF to 4 input of motor Driver IC module.now connect all necessary pins (i.e. power,Gnd).
Now connect mobile to 3.5mm Jack.
your robot is ready to start.
Step 3: Final
Now just turn on power supply to 5v regulator and do auto answer mode on robot's mobile.
Now do a call to robot's mobile from your hand mobile , when you press keypad buttons on your robot will respond accordingly i.e. Move forward,move left etc.
Don't forget to like pls