Credit Management system for Mame Arcade

I am looking for a circuit design for a standalone credit management system in a Mame arcade. Circuit will receive a swich input and keep count (up to 99) of the ammount in a pool. Then when another switch is pushed it will remove one unit from the credit pool and active a switch to credit the Mame system. The display is driven by Nixie tubes (NH-12A to be specific) and will be driven by K1551D1 (74141)'s so I need output to work with those components.

Links to help you understand some of the terms and equiptment here.

Mame [url removed, login to view]

Nixie Tube (Nh-12A) [url removed, login to view]

K1551D1 (74141) [url removed, login to view]

Additional info: I have all the components needed. I have a arduino UNO and MEGA, the 74141 drivers and the Nixie tubes. What I am looking for is the wiring diagram and the programming for the arduino. I hope this clarifies the situation and my apologies for not adding that.

Thank you.

Skills: Arduino, C Programming, Electrical Engineering, Electronics

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About the Employer:
( 0 reviews ) Hialeah, United States

Project ID: #4252763

6 freelancers are bidding on average $739 for this job


hihi, i am an electrical engineer and an embedded system developer. i can help you with this project.

$1500 USD in 30 days
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Hello. Veteran Embedded Systems & PCB designer here. I would love to help. Please see PMB for details.

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$490 USD in 12 days
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I can do it.

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