Design stage: there is no released app yet. This site separates what exists in the repository from what is planned. See status

Capabilities

Hardware and peripherals

The HW module lists 73 items across printers, scanners, drawers, scales and displays. Platform priority from the README: Windows, then Android and iOS phones, tablets and Linux.

Status

Planned Everything on this page is a plan. The repository contains a catalog and design documents, not a released app. Entries are tagged with their own status.

Planned

Receipt printers

Thermal printers for receipts and kitchen tickets, usually driven with ESC/POS commands over USB, network or Bluetooth..

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Planned

Label printers

Printers for price and shelf labels and barcodes..

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Planned

Cash drawers

Drawers opened by a printer pulse or by a command, with a key lock..

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Planned

Barcode scanners

Handheld or fixed scanners, often acting like a keyboard.

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Planned

Scales

Counter scales that give a weight to the sale, serial or via a keyboard-like interface..

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Planned

Customer displays

Small screens that show the line items and total to the customer..

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Planned

Kitchen displays

Screens that replace or supplement kitchen printers..

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Not decided

External card terminals

Separate payment devices from a provider.

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Designed

Phones and tablets

The README's platform order: Windows first, then Android and iOS phones, tablets, then Linux..

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Not decided

Windows PCs

The first target platform in the README..

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Planned

Offline kiosks

Self-service sales without staff; the catalog lists a kiosk item as a plan..

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Planned

RFID tags

The catalog lists RFID tags as an item only..

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Planned

Staff login hardware

Badges, fingerprint readers or PINs for logging in staff..

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Planned

Local network gear

A shop network without internet still needs a router or hotspot for devices to talk..

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Planned

Power backup

Small UPS units or batteries so a sale and a database write finish during a power cut..

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No claim

Cameras and alarms

No claim.

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Questions

What hardware will it need?
Nothing special is decided. The plan favours common printers, scanners and phones.
Is Windows 7 supported?
Not decided. The repo lists it as an open question.