Bill of Materials

An account of how we spent our $250 budget

Electrical and Mechanical Components

Name Description Quantity Unit Cost
Arduino Uno Arduino Uno Rev3 1 $23.00
Arduino Mega Arduino Mega 2560 Rev3 1 $34.93
5x ELEGOO stepper motors plus motor boards ELEGOO 5 Sets 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board Compatible with Arduino 1 $11.99
6 PCS 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board for Arduino 6 PCS 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board for Arduino 1 $13.99
Max7219 chip New 3 x MAX7219 MAX7219 CNG 8-Digit LED Display Driver Fulfilled by Amazon 1 $7.99
2x 100pcs 5mm RGB Multicolor LED diodes Chanzon 100 pcs 5mm RGB Multicolor LED Diode Lights Common Anode(Clear Round Transparent 3 Color) 4 pin Bright Lighting Bulb Lamps Electronics Components Indicator Light Emitting Diodes 2 $7.99
Belt pulley + 4pc teeth bore wheel + 2pc gear clamp set KeeYees 5M GT2 Timing Belt 6mm Width + 4pcs 20 Teeth 5mm Bore Belt Pulley Wheel + 4pcs Idler + 4pcs Tensioner Spring Torsion + 2pcs Gear Clamp Mount Block with Allen Wrench for 3D Printer RepRap 1 $15.99
MDF (¼ thickness) 2'x4' 1 $12.04
MDF (⅛ thickness) 2'x4' 1 $19.86
Acrylic 1'x2' 3 $16.99
Dowels D:0.25 0.25 diameter; 2 feet length 2 $1.18
Black spray paint From Home Depot 1 $4.98
PLA OVERTURE PLA Filament 1.75mm 3D Printer Consumables, 1kg Spool (2.2lbs), Dimensional Accuracy +/- 0.05 mm, Fit Most FDM Printer(Black 1-Pack) 2 $20.59
$220.31

List of All External Software Dependencies

Serial Motor Control Music Generation and MIDI File Processing Python Utilities