Quantity   Component name
4 × A4988 Stepper Motors Driver Module
4 × Capacitor 100 micro farat
1 × Screw driver turn potentiometer lm2576 module to 5.0V
1 × Raspberry Pi Zero W
2 × Battery Lithium +12V for robot balancer
1 × Header Female and Male 40 Pin
1 × Connector 2 Port 12V connector
4 × Header Connector Male 4 pin
1 × SMD fuse
1 × smd led
1 × res 330
1 × lm2576 mini module