6

I recommend Clover. Clover is a combination of hardware (PoS terminals, printers, barcode scanners, etc.) and software. Starting with the hardware, you have three options. Mini Mobile Station Each of these can take user credit cards. The Station is your main cashier terminal. It is stationary. The Mini is an "extender" for the Station. These are useful ...


6

A Raspberry Pi might be an option, esp. considering it's low power consumption, as well as low cost. WebGL is somewhat experimental, but HTML or Java would work. The Pi 2 has good specs ($35 gives you 1GB RAM and a quadcore CPU), and additionally it has a large community around it so many things are better documented and better supported. Additionally, ...


5

I recommend Square's card reader. You can get the magstripe reader for free from Square. This should imply to you that most of their service is on the software side. They also advertise a contactless reader for NFC and chip cards as "coming soon", though you can reserve it for free. If you don't care about the "contactless" part, they have a reader that will ...


3

You might consider looking for a used point of sale system. I've played with PARs, Microses, and Alohas and have never had any trouble with Debian. Even the touchscreens generally work with out of the box installations. Certainly not as fuel efficient as a Pi (though POSes do still use processors designed for efficiency rather than performance), but ...


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