I\’ve never hacked around a Windows Mobile device and hooked it up wirelessly with Arduino etc. Came across this recent article that allows for Bluetooth communication with an Arduino.
http://www.robmiles.com/journal/2014/6/29/windows-phone-wedding-lights-and-bluetooth
I\’ve worked earlier on some small test apps on Windows Phone, but they weren\’t Embedded interfaced. This looks exciting enough to get started with.
Source: Hackaday