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| − | i3 Vending machine:
| + | #REDIRECT[[SnackShop_Vending_Machine]] |
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| − | '''Bill acceptor'''
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| − | - The controller that recognizes bill images might need to be updated or replaced
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| − | '''Payments'''
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| − | -Cash (see bill acceptor)
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| − | - RFID, debit the members account and invoice them through e-mail and let the Treasure know of payment due or overdue.
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| − | - Credit card, bill the credit card via amazon or paypal.
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| − | - Bar code and passkey. Buy it online and get a QR code and passkey in your email. Scan the QR code and enter the passkey and it will vend the product. It will reserve at least one item they bought online.
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| − | '''Network'''
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| − | - TCP/IP over ethernet with a server backend that processes and logs purchases.
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| − | - How to handle encryption of transactions?
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| − | '''Power'''
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| − | - How do we add functionality yet keep the power requirements low?
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| − | *embedded ARM based computer?
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| − | *Beefy microcontroller?
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| − | '''Security'''
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| − | - Webcam linked to tilt/ shake sensor. Take picture of someone shaking the machine, post it online for ridicule
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