hi..
VingCard has software name Vision to create hotel's door access KeyCard an to connect to encoder device.
I want to connect and crate access keycard via my application but I don't found SDK .
could anyone help me how to create access KeyCard using vb.net or have SDK?

Hi,
I'd say you would have to contact the company directly. It would be a very silly security company that let random people encode and decode their security cards - they'd be giving you the keys to the kingdom!

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