Mobile Controled Home Appliances Kit
Presentation (PPT) : Introduction
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
Relay Driver
DTMF Decoder
Atmega 16
2 Realy Switch
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:
Block Diagram:
Budget : it will completed in about 999* INR.
Time : It will take approximate 12 weeks maximum.