1. Voice Controlled Household device
activation and control system
This project is designed to control the home appliances
through voice (on/off) control as dictated by the person “Switch on
Fan”, Switch Off Light” etc. The Voice Recognition involves
HM2007 IC which is dedicated to process the voice inputs.
Master Controller:
A pic Micro controller will act as a master controller for the
switching of devices.
Voice Controller:
A voice said in front of the mic is converted to text by the
Voice Recognition IC HM2007 and is fed as a input to the
controller, so the controller reacts to it.
Software Driver in Hitech C
This is a software tool used to control the angular position
i.e., to send specified pulses with controlled timing to vary the
speed as when and where required.

2. BLock Diagram

3. Power
MIC Supply
RAM IC WITH
Pic Microcontroller
HM2007Voice FLIP-FLOPS Interface Board
Recognition IC IC-16F877
IC-6264
Relay Drivers
RL1 RL2 RL3 RL4 SENSORS FOR
SECURITY
PURPOSE
1-SMOKE
Light TV Radio 2-GAS SENSOR
Fan
3-FIRE SENSOR
4-PIR SENSOR

4. Power
MIC Supply
RAM IC WITH
Pic Microcontroller
HM2007Voice FLIP-FLOPS Interface Board
Recognition IC IC-16F877
IC-6264
Relay Drivers
RL1 RL2 RL3 RL4 SENSORS FOR
SECURITY
PURPOSE
1-SMOKE
Light TV Radio 2-GAS SENSOR
Fan
3-FIRE SENSOR
4-PIR SENSOR

5. Power
MIC Supply
RAM IC WITH
Pic Microcontroller
HM2007Voice FLIP-FLOPS Interface Board
Recognition IC IC-16F877
IC-6264
Relay Drivers
RL1 RL2 RL3 RL4 SENSORS FOR
SECURITY
PURPOSE
1-SMOKE
Light TV Radio 2-GAS SENSOR
Fan
3-FIRE SENSOR
4-PIR SENSOR

6. Power
MIC Supply
RAM IC WITH
Pic Microcontroller
HM2007Voice FLIP-FLOPS Interface Board
Recognition IC IC-16F877
IC-6264
Relay Drivers
RL1 RL2 RL3 RL4 SENSORS FOR
SECURITY
PURPOSE
1-SMOKE
Light TV Radio 2-GAS SENSOR
Fan
3-FIRE SENSOR
4-PIR SENSOR