1Sheeld+ iOS / Android Phone bluetooth for Arduino
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The 1Sheeld+ is an easily configured shield for Arduino. It has a built-in bluetooth module that gives to your Arduino the capability to connect itself to your smartphone. Thanks to the 1Sheeld+ app available on the Play Store and Apple Store you can easily associate your Android and iOS smartphone to it and turning your smartphone in a shield itself.
Once connected you can control your Arduino with the smartphone sending data and controlling pins but you can also do the opposite. The 1Sheeld+ library gives to your Arduino the full control of the smartphone. So the Arduino can send e-mails, control the Camera, use Voice Recognition, send Facebook and Twitter notification and basically everything a powerful smartphone can do.
It is compatible with 5V and 3.3V boards.