Quantity   Component name
1 × Arduino UNO
1 × Caster wheel
2 × Wheels
2 × DC motors
2 × Encoders
1 × LN293D H-Bridge
1 × 12v Li-ion Battery Evaluation, Demonstration Kits, Boards and Modules / Evaluation Kits, Boards and Modules
4 × HC SR04 Ultrasound sensor