Documents

Mobile Controlled Home Appliances

Description
mobile automation
Categories
Published
of 10
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Related Documents
Share
Transcript
  MOBILE CONTROLLED HOME AUTOMATION   INTRODUCTION ã What had been thought impossible at one time was achieved by man. ã As technology advanced man was able to control everything from one place. ã Controlling electrical appliances with mobile is one of the examples. ã This makes the use of DTMF(Dual Tone Multi Frequency) technique. ã The DTMF Decoder circuit is made using M8870 Decoder IC. ã Just connect your cell phone headset (headphone) jack to the mobile phone and then mobile control electrical appliances and electrical equipment via DTMF key pad  of your cell phone.  REQUIREMENTS ã Regulated power supply ã DTMF decoder IC (M-8870) ã Resistors (100 Ω; 100 k Ω; 70 k Ω; 390 k Ω)   ã Capacitors (0.1µFx 2) ã Crystal oscillator (3.579545MHz) ã IC 7474 D flip flop ã BC547 Transistor ã 6 V Relay   CIRCUIT DIAGRAM
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks