Quantity   Component name
2 × Arduino nano R3 CH340 992-ARD-NANO30NP Nano or any other type of Arduino PCB
2 × SG9S or any other kind of serve (180° or wider) Or any kind of rotary driver
2 × Levers for Servo axe in one side and a hole in other side Example is on the description
2 × Levers with holes on both sides