So you want to control your DIY RC toys with your smartphone? The 1Sheeld Android Smartphone Shield for Arduino can help. It can be used as input or output from Arduino. The shield connects your Arduino to your phone while the app lets you manage the communication between your devices and choose different shields.
Thanks to this kit, you can take full advantage of your phone’s sensors and features to take your Arduino projects to the next level. 1Sheeld is powered by an Atmel ATMega162.