Quantity   Component name
1 × arduino tested ATmega328 (uno-pro mini)
1 × lcd/oled screen use with I2C module
15 × wires
1 × rotary encoder
1 × pipes and screws
1 × 2 channel any motor shield we use l298n and tb6612
1 × ball bearing
4 × butons
1 × servo motor we use mg996r