1 Arduino Uno R31 Towerpro Sg90 Sg 90 180 Degree Servo Motor1 Hc-sr04 Hc Sr04 Arduino Ultrasonic Sensor1 Ultrasonic Distance Sensor Mounting Bracket Holder Stand1 400 Tie Points Half Size Solderless Breadboard Solder Less Breadboard Prototyping Board10 20cm Pin To Hole 1 Pin Jumper Wire Dupont Line Arduino Male To Female10 20cm Pin To Pin 1 Pin Jumper Wire Dupont Line Arduino Male To Male1 Rechargeable Battery Pack For Arduino And Robot Power Supply With Chargerhttps://www.youtube.com/watch?v=PFF4DTkMsaM