Water level using ultrasound sensor

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hello every one..

since new here , i've never used arduino before, need help

i living in remote aria , the source water tank buried underground.  need buildup water level sensor monitor level of water using ultrasound , alerted a  text message or ells through wifi.

thanks in advance..

this not beginner's project, here nice writeup of similar , successful project: http://lifeboatfarm.wordpress.com/2011/06/20/the-finished-wireless-water-sensor/


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