HOME AUTOMATION USING PHONE (DTMF TOUCH-TONE)

[vinodquilon1]

Here I am presenting my final mini-project setup.
See the attachment in this forum or the link...

http://www.scribd.com/doc/29233455

I express my sincere thanks to all forum members for there great support
without whom this project wouldn't have been a reality.

Still I am welcoming new ideas to improve my final circuit.

DTMF_TouchTone.rar

 

[vinodquilon1]

7805 ic labels are reversed, I will clear it.

at board 3 there should be 4.7K replaced with 470 Ohm and a 1K preceding all LEDs.