An Arduino-based robot with iOS controller which features accelerometer control, live video streaming and robot gripper manipulation.
A 2-track move base with 12v DC motors
Adafruit motor shield V2 for Arduino
https://learn.adafruit.com/adafruit-motor-shield-v2-for-arduino/overview
Duinopeak BLE shield for Arduino Uno
http:https://duinopeak.com/wiki/index.php?title=BLE_Shield_-_Bluetooth_low_energy