HI, I am designing a remote sprinkler system for my mother and I need some help. I already have the arduino controlling the sprinkler on and off using a visual basic program but I want to allow her to activate the device from out of the house. This is the part I need help with This is my plan... using an Ethernet shield have the arduino check a gmail account for the newest email message every couple seconds. She can send a text message to an email address using her cell phone with an "ON" or "OFF" command. When the arduino reads the message if it says "ON" turn the sprinkler on, if it says "OFF" turn it off. Also I want the arduino to send her an email to let her know the device is on.
I am new to networking the arduino and I have no clue how to make it read gmail emails. If anyone can guide me or give me links to resources that would be great. All input is greatly appreciated.
(NOTE) she does not have a smartphone so an app wouldn't work, but she can send and receive texts.) (using @vzwpix.com she can send recive emails as texts)