Lego Zil 43272T Trial Truck

Model of Zil 43272T 4x4x4. Features 4 wheel drive, 4 wheel steering, pendular suspension, remote controlled 3-speed linear gearbox. Vehicle is remotely controlled by mobile phone using Bluetooth connection. Both applications (mobile phone app and NXT app) are written by me in Java language (I used LeJOS to program NXT). Zil has 3 motors total: - 1 NXT motor to steer wheels - 1 NXT motor to shift gears - 1 PF XL motor for propulsion (connected via NXT Converter Cable and PF extension cable) This