OTTO with ARMS

# Otto with fully functioning Arms.

# Parts Needed:
Parts required for Otto with Arms,

6 x SG90 SERVOS
1 x Arduino NANO atmega328 version
1 x Arduino NANO I/O shield
1 x HC SR04 ultrasonic module
1 x MAX7219 dot matrix module
1 x piezo 5volt buzzer
12 x Female to female hook-up wires
1 x Bluetooth module (optional)
LIPO battery 3.7volt and a suitable DC-DC converter module (optional)
GSTDUINO PCB (instead of the Arduino Nano and shield, OPTIONAL)