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Vending machines protocols

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tjalps

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Hello!

Does anyone have any good info concerning comunication protocols in vending machines( express cofee)?

Regards!
 

What exactly do you want to know?

I design the controller boards for vending machines.
 

Hello!

We'll I'm desining RF-ID system for cashless payment and for that I have to now how to connect my unit to central unit that I can show user some messages on LCD. I think that protocol in this machines is Executive and I'd like to now the details of this protocol for begining.

Best regards!
 

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