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Drum Plotter Parts List
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The following parts were obtained from http://aliexpress.com. You may have to buy several of each item as the parts are extremely cheap and sold in "lots". Look for free shipping

1 x UNO R3 for arduino MEGA328P 100% original ATMEGA16U2 with USB Cable

2 x Stepper Motor  28BYJ-48 DC 5V + ULN2003 Driver Test Module Board for Arduino UNO R3

1 x Tower pro SG90 RC Micro Servo 9g 

3 x GT2 Pulley 20 Teeth Bore 5mm + 5M GT2 Belt 

1 x GT2 2GT aluminium timing pulley 20teeth aluminium bore 6mm fit for GT2 belt width 6mm

1 x GT2 Timing belt, Closed-loop, Endless, 6mm width, 160mm length, 80teeth

1 x HC-06 bluetooth module

9 x 560 ohm resistors

1 x 1k2 resistor

1 x 2K2 resistor

1 x timber 100mm x 25mm x 1000mm dressed

Plastic Downpipe

The power supply that I am using is a CPS-3205 Compact Mini Variable Adjustable DC Power Supply 0-32V 0-5A AC110-240V