Sources

I'd like to thank the following sources for helping with the creation of my ROM:

Code:
Thermal Printer
http://www.ladyada.net/products/thermalprinter/

PIR Sensor
http://bildr.org/2011/06/pir_arduino/

Purchases:
Thermal Printer
http://www.sparkfun.com/products/10438

PIR Sensor
http://www.adafruit.com/products/189

Arduino Uno
http://www.sparkfun.com/products/10356

Vending Machine Parts:
http://www.gumballmachinesdirect.com/millenniagumballmachineparts.html
I also purchased parts (capsules, door flap, coin mechanism) from various ebay auctions.


Amazon purchases:
AC adapter
Thermal Paper