Quantity   Component name
1 × Tower Pro MG90S Metalic Micro Servo Dimension: 22.8×12.2×28.5mm, Stall torque: 1.8kg/cm (4.8V); 2.2kg/cm (6.6V), Operating voltage: 4.8V~ 6.6V
1 × Arduino Uno R3 Microcontroller: ATmega328P, Operating Voltage: 5V, Input Voltage (recommended): 7-12V.
1 × Polulu 100:1 Micro Metal Gearmotor
1 × Hall effect sensor U58602 https://www.adafruit.com/product/158
2 × Mini Magnet
1 × PLA filament https://www.proto-pasta.com/
2 × Small metal screws
1 × Adafruit Motor Shield v2.3 Only for Hall sensor model