- 1x Arduino nano
- 1x 3mm dual color LED
- 2x Resistor for LED
- 4x SG90 9g Mini Micro Servo
- 1x HC-SR04 ultrasonic sensor
- 1x 4AA battery holder
- 1 x Piezo Buzzer
- 1 x Micro Switch Self lock 8x8mm
- 1x 1000µF 10 Electrolytic Capacitor
- 1x Dot Matrix PCB (Pitch: 0.1" [2.54mm]) 21x23 dots
- Various Female/Female Dupont Wires
- Male/Female header
