Requirements and compatibility

What you need to work with Fudinow, with no fine print: the browser, the computer, the printer, the connection, and what keeps working when the internet goes down.

Browsers

Fudinow is a website: you install nothing to get started.

To use the system: Chrome or Edge 107 or newer, Firefox 104 or newer, or Safari 16 or newer, on a computer, tablet or phone.
To print over USB or Bluetooth: Chrome or Edge on a computer. Safari and Firefox do not let a page talk to the printer; there you use the desktop app.
On phone and tablet: The whole system works, but the printer connects from the computer or from the desktop app.

Computers and desktop app

The desktop app is optional: it is for network printers or printers installed on the computer, and for having Fudinow as a program.

Windows: Windows 10 (version 1809 or later) or 11, 64-bit (x64). There is no version for Windows on ARM yet. The installer is Fudinow-Setup.exe.
Mac: Mac with Apple Silicon or Intel: one installer, Fudinow.dmg, covers both.
App status: Being tested on real computers, printers and networks before its general release.
Without installing anything: If you do not use network printers, the browser is enough: you do not need the app.

Printers and cash drawer

Thermal receipt and kitchen printers using the ESC/POS standard, 58 mm (32 columns) or 80 mm (42 or 48 columns).

Over USB or serial: From Chrome or Edge on the computer, authorising it once.
Over Bluetooth: From Chrome or Edge on the computer, pairing it once with that browser.
Over the network (Wi-Fi or cable): With the desktop app. The printer needs a fixed address on the restaurant's network; unless you set another port, Fudinow uses 9100.
Installed on Windows or Mac: The desktop app also prints to the printers already installed on the computer: it finds them and you choose which one to use.
Cash drawer: Connected to the receipt printer: it opens with the pulse the printer sends.

Connection

Fudinow runs in the cloud: for the full service, every device needs internet.

Need internet: Kitchen screens, card payments, the online store and orders coming from apps.
Several terminals with the desktop app: They find each other over the restaurant's network. On Windows that network must be set as private; the installer opens only the ports it uses (TCP 47320, UDP 47321 and UDP 5353), and only on private networks.
Wi-Fi: The router must not isolate devices from each other. If it does, the app tells you the devices are on the Wi-Fi but cannot reach each other.
On a Mac: Allow the «Local Network» permission when macOS asks for it.

If the internet goes down

The till keeps selling. It is not that the whole restaurant works offline: it is the sales terminal, and it keeps everything for when the connection returns.

You can still: Open checks, add products and take cash, with the total estimated until the connection returns.
Kitchen tickets: They wait on the terminal and reach the kitchen screen when the connection returns. Meanwhile, tell the kitchen.
On hold: Card and QR payments, gift cards, discounts, voids and refunds, and orders from apps or your online store.
Do not lock the terminal: Unlocking it with a PIN and opening or closing the till need a connection.
Where it works: On a paired sales terminal. A browser that is not paired works online only.
When the connection returns: Everything you captured uploads on its own and in order, each thing exactly once: nothing is duplicated or lost.

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