DTMF BASED ROBOT CAR

A Call is made to another mobile connected to robot Truck for controlling purpose.

Presentation (PPT) : Introduction, Milestone 1

Backbone of This Project:

Microcontroller

c++

DTMF

About DTMF:

It First invented in Bell Laboratory.

It Refers to dual tone multiple frequency signal.

In this two frequency work together.

It can be seen in mobile phone.

Main Components:

2 Mobiles

Power Supply

Motor Driver

DTMF Decoder

Atmega 16

2 Motor

Component Specification:

Battery 6v

Integrated Circuits:

Ic 1 -             mt8870
Ic 2 -             atmega16
Ic 3 -             L293d
Ic 4 -            cd7805

Resistances & Capacitors:

r1,r2 - 100k resistances

r3 - 330k resistances

r4,r8 - 10k resistances

c1- 0.47 micro farad capacitor

c2,c3,c5,c6 - 22pfarad capacitor

c4 - 0.1micro farad capacitor

Others:

xtal1 - 3.57 MHZ crystal

xtal2 - 12mhz crystal

s1 - push on switch

Circuit Diagram:

Download circuit diagram

Block Diagram:

Block_diagram

Budget : it will completed in about 1300* INR.

Time : It will take approximate 12 weeks maximum.

Video Reference: