Quantity   Component name
2 × 3" ID Pillow Block roller Bearings
1 × 12" of 2.5" ID 1/2" wall DOM steel tube.
1 × 32 tooth #50 Sprocket 3" bore.
2 × 12 tooth #50 sprocket 3/8" bore.
1 × 2' of #0 copper welding cable.
1 × Stepper Motor
1 × Stepper Motor Driver Board
1 × 24V 2A / 5V power supply.
1 × Home made 555 step pulse generator.
1 × 1" square steel tube
1 × 12" of 1" x 1/4" aluminum bar
2 × Springs
1 × 1/4" Fiberglass sheet, 5" wide, about 2" long
1 × Circular aluminum plate 1/2" thick, 10" diameter.
1 × Miscellaneous nuts and bolts.
1 × Miscelaneous switches, IEC cord socket and other electrical fixings.