Quantity   Component name
1 × Arduino uno
1 × Android phone
2 × AA battery packs
1 × NKC electronics motor shield
1 × Seedstudio /Aerospace Bluetooth shield
1 × DF Robot 2wd robot kit
1 × LM 317 chip
1 × Variable resistor resistor values are chosen based on what voltage range you want for motors and what your input voltages are
1 × additional (separate) resistor resistor values are chosen based on what voltage range you want for motors your input voltages are
1 × Sliding toggle switch