A device to work in an air conditioner to auto power it with the aid of a message sent from a mobile phone through the gprs network

 

Like the ones evil villains use in movies to trigger bombs?

Those always seem to be based on a phone receiving a call and ringing, with the ring itself providing the trigger.

Do you need to trigger on a specific text (like "AC ON" or "AC OFF"), or just any incoming message?

 

Part one, setting up Arduino with a GSM cellular modem and transmitting text messages from Arduino.

http://tronixstuff.wordpress.com/2011/01/19/tutorial-arduino-and-gsm-cellular-part-one/



Part two, receiving GSM text messages and using Arduino to interpret the message to control digital outputs.

http://tronixstuff.wordpress.com/2011/01/31/tutorial-arduino-and-gsm-cellular-–-part-two/

 

I was sort of hoping he'd answer the bomb question before we gave him complete instructions.

 

I will edit/delete my post if you think it is a problem.

 

gee no stereotyping here..

 

Ha, ha, yeah, that's what happens when you write a post at midnight. The tongue-in-cheek doesn't quite come through.

 

Well, at least they didn't say it was needed in a VEHICLE.

Around here, that's worse than wanting to design an improvised explosive device.