Spur Gear Large pinion gear used for the final Z-axis 2 5.69 11.38 mechanism MG90S Micro Servos used in the final Z-axis mechanism 1 20.88 20.88 Servo prototype 3D Printed prototype matrix display 32x32 1 99.73 99.73 Component Shipping 43.82 Total 487.71 Table 5.5b. Manufacturing Cost per Unit Product Description Qty Total per Arduino Uno Microcontroller to control the servos 1 22.86 22.86 R3 Nylon Gear Rack used for the Z-axis mechanism 1 3.82 3.82 Rack High prototype servos to control the XY table 2 13.59 27.18 Continuous Servo 3D Printed Z-axis mechanism 1 10.00 10.00 Component Triad Wall for the High Speed Continuous Servos 1 7.35 7.35 Wart Softpot Linear potentiometers used for XY table 2 11.49 22.98 Membrane location feedback Potentiometer Compression Springs used for the pin matrix display 5 5.50 27.52 Spring Nylon Spur Large pinion gear used for the final Z-axis 2 4.55 9.10 Gear mechanism Micro Servos used in the final Z-axis mechanism 1 8.35 8.35 Servo prototype 3D Printed prototype matrix display 32x32 1 49.87 49.87 Component Various Enclosure; XY table and Z-axis base; pulley 1 40.00 40.00 Materials and bearings; and pins Total 229.03
Spur Gear Large pinion gear used for the final Z-axis mechanism 2 5.69 11.38 MG90S Micro Servo Servos used in the final Z-axis mechanism prototype 1 20.88 20.88 3D Printed Component prototype matrix display 32x32 1 99.73 99.73 Shipping 43.82 Total 487.71 Table 5.5b. Manufacturing Cost per Unit Product Description Qty Total Arduino Uno R3 Microcontroller to control the servos 1 22.86 22.86 Nylon Gear Rack Rack used for the Z-axis mechanism 1 3.82 3.82 High Continuous Servo prototype servos to control the XY table 2 13.59 27.18 3D Printed Component Z-axis mechanism 1 10.00 10.00 Triad Wall Wart for the High Speed Continuous Servos 1 7.35 7.35 Softpot Membrane Potentiometer Linear potentiometers used for XY table location feedback 2 11.49 22.98 Compression Spring Springs used for the pin matrix display 5 5.50 27.52 Nylon Spur Gear Large pinion gear used for the final Z-axis mechanism 2 4.55 9.10 Micro Servo Servos used in the final Z-axis mechanism prototype 1 8.35 8.35 3D Printed Component prototype matrix display 32x32 1 49.87 49.87 Various Materials Enclosure; XY table and Z-axis base; pulley and bearings; and pins 1 40.00 40.00 Total 229.03 per