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I am going to be building a personal transporter for Tan Kah Kee Young Inventors Award 2015 (TKKYIA), inline with my diploma course which has some elements of transporting systems.
My plan is to have a small wooden platform with 2 motors on each side with a arduino uno and motor controller driving both of them. Commands to drive the motor will be from a HC-06 Bluetooth Module connected to an android smartphone. A Lithium Iron Phosphate (LiFePO4) battery will power it.The intended use case for this is to be used in sidewalks.