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Senior Design Expo 2019

The Senior Design Expo, held annually in May at Columbia University, is an opportunity for Columbia Engineering students to showcase what they have learned in their foundational math and science courses together with their engineering courses in innovative, creative, and purposeful designs and prototypes. Each year the Expo showcases more than 60 projects across all nine departments. Projects have included cutting-edge robotics, the New York City subway system, language technology, proposals for bridges to span the Hudson river, and much more.

The Senior Design Expo, held annually in May at Columbia University, is an opportunity for Columbia Engineering students to showcase what they have learned in their foundational math and science courses together with their engineering courses in innovative, creative, and purposeful designs and prototypes. Each year the Expo showcases more than 60 projects across all nine departments. Projects have included cutting-edge robotics, the New York City subway system, language technology, proposals for bridges to span the Hudson river, and much more.

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Card Dealer 3000<br />

Andrew DePerro, Connor Finn, John<br />

Michael Long, Brian Nicholas<br />

Advisor: Dr. Joshua Browne<br />

The Card Dealer 3000 is a compact,<br />

table-sized, card dealing machine. To begin<br />

your hours of card game fun, simply load a<br />

pre-shuffled deck of cards into the machine,<br />

select your card game of choice, select the<br />

number of players, and the Card Dealer 3000<br />

completes all the tedious dealing work for<br />

you! The Card Dealer 3000 features a<br />

removable card shoe for easy card deck<br />

loading, an efficient flipping mechanism, a<br />

ranged card shooter, programmability for a<br />

wide array of card games, and the ability to<br />

accommodate a variable number of players.<br />

This device has the ability to do<br />

anything a casino dealer can do once the card<br />

deck is loaded into the shoe. It is equipped<br />

with 5 individual systems that combine into<br />

one amazing product. The first, and most<br />

important system of the Card Dealer 3000 is<br />

the user interface. A custom made controller<br />

is utilized to house a LCD board to display<br />

the options of the device as well as a 9-<br />

character keypad to choose the desired<br />

options. Once the options have been selected,<br />

the Card dealer 3000 is ready to do the rest.<br />

The card picking system is the first<br />

mechanism the card travels through. After a<br />

shuffled deck is placed into the card shoe and<br />

the card shoe is inserted into the device, a<br />

stepper motor with a foam grip picks the top<br />

card from the deck. This moves the card to<br />

the flipping system. The flipping system uses<br />

a stepper motor with a timing belt to move the<br />

housing in card non-flipping and flipping<br />

orientation. In the non-flipping orientation,<br />

the card moves from the card shoe to an<br />

angled slide that deposits the card to the<br />

shooting system. In the flipping orientation,<br />

the card moves from the card shoe onto a thin<br />

angled arm to flip the card along its stable<br />

axis. The card then flips onto the same angled<br />

slide as the non-flip orientation and is<br />

deposited to the shooting system.<br />

The shooting system is a two motor<br />

system that the card travels through to be<br />

dealt out to a player. A stepper motor with a<br />

foam gripper pushes the card forward on the<br />

angled slide into a compact DC motor. Once<br />

the card comes in contact with the spinning<br />

rod attached to the DC motor, it is dealt to the<br />

player. The compact DC motor has the ability<br />

to deal the card to different distances. The<br />

final system is the rotating system, which<br />

includes a Lazy Susan bearing and a DC<br />

motor with an attached encoder. The encoder<br />

allows the Card Dealer 3000 to rotate<br />

accurately. This is important when the device<br />

is dealing to different players. One last<br />

unique feature about the Card Dealer 3000 is<br />

that it uses RFID technology so that the<br />

machine knows what cards are being dealt to<br />

the players, but more importantly, it knows<br />

what it also has. This is key for certain games<br />

to be successful such as Blackjack.<br />

The Card Dealer 3000 is a portable<br />

device with a sleek design that will surely<br />

impress any guests at your future game night.<br />

It brings the casino to you!<br />

Relevant Standards & Codes:<br />

- ISO 8124-1:2018: Safety of toys -- Part 1:<br />

Safety aspects related to mechanical and<br />

physical properties<br />

- ISO / ASTM52915 - 16 Standard<br />

Specification for Additive Manufacturing<br />

70

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