PIR motion sensor that sends cloud notifications via wifi

[vekraman76]

Hi,
I want to achieve the following : "A PIR motion sensor that will send detected signals in a wireless way to a web server"
Here is how I plan to go about it.
Parallax motion sensor + Arduino microcontroller + Wifi module.
Can you please help me how do I go about achieving this?

[hek]

If you don't want to mix in the MySensors library you could perhaps have a look at the new cheap ESP8266 wifi module.

[epierre]

a spark core wouldnbe the best in this case