MDB Slave


We offer a short explanation on the use of the MDB-USB interface in a “peripheral” role, commonly called slave, for example, to add a mobile or barcode payment system to an existing vending machine.


MDB-USB Interface or MDB Pi Hat
Active MDB Bus

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Slave mode can be used to connect payment methods like mobile payment or card readers to your Vending Machine Controller (or VMC for short)

Your Qibixx MDB-USB Interface will connect your VMC to a peripheral and will answer to requests from the VMC only when prompted. It can answer, for example, how many money “it has” on credit. If a payment was made, etc.

Slave mode is also used for Sniffing the MDB Bus. You can learn everything about Sniffing and Monitoring the MDB Bus by clicking here!

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