Quantity   Component name
1 × Arduino Mega
1 × Elegoo nano
2 × Stepper motor - NEMA-17 https://thepihut.com/products/stepper-motor-nema-17-size-200-steps-rev-12v-350ma
2 × Adafruit TB6612 1.2A DC/Stepper Motor Driver Breakout Board https://thepihut.com/products/stepper-motor-nema-17-size-200-steps-rev-12v-350ma
64 × Reed switches Reed Switch Hamlin 59170-510
64 × 1N4148 diode
6 × 8mm linear bearings
1 × Belts and gears (GT2)