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Vending machine cashless payments #103

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opened 2024-08-16 21:25:47 +00:00 by rasmus · 1 comment
rasmus commented 2024-08-16 21:25:47 +00:00
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The vending machine talks to one of 2 possible cashless protocols. Apparently, you can remotely (quicker / spreadsheet sync!) set prices via coin module.

Door keycard would work for (credit) payments, but with (QR-code) LHV Connect (bank lightning transfers) does it timeout, or can you add credit before selection (and what about timeout refund transfers)?

Very bonus-bonus: Sales statistics.

See also: https://wiki.k-space.ee/en/utilities/vending-machine-manual (also has machine's PDF)

Depends on #76 succeeding.

The hardest part is the communication between Pi(/ESP) and the machine. Everything else (software) is easy, and can be done later.

The vending machine talks to one of 2 possible cashless protocols. Apparently, you can remotely (quicker / spreadsheet sync!) set prices via coin module. Door keycard would work for (credit) payments, but with (QR-code) LHV Connect (bank lightning transfers) does it timeout, or can you add credit before selection (and what about timeout refund transfers)? Very bonus-bonus: Sales statistics. See also: https://wiki.k-space.ee/en/utilities/vending-machine-manual (also has machine's PDF) Depends on https://git.k-space.ee/k-space/todo/issues/76 succeeding. The hardest part is the communication between Pi(/ESP) and the machine. Everything else (software) is easy, and can be done later.
rasmus added this to the k-space.ee/todo project 2024-08-16 21:25:57 +00:00
artur commented 2024-09-16 06:26:56 +00:00
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There's a Multi Drop Bus (MDB) protocol hat for RPi (120€+tax+shipping, promo vid).

Unfortunately both of the manual files are not reachable.

There's a [Multi Drop Bus (MDB) protocol hat for RPi](https://www.shop.qiba.pt/shop/900-0-c02-2300341-mdb-pi-hat-usb-3926) (120€+tax+shipping, [promo vid](https://www.qiba.pt/connect-your-mdb-machine/)). Unfortunately both of the manual files are not reachable. * https://wiki.k-space.ee/vending-machine-manual.pdf * https://wiki.k-space.ee/utilities/vending/manual_ocr.pdf
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