How To Hack A Cash Register

Picture of a Wincor Nixdorf TA85P cash register keyboard

Secondary custom keyboards are terrific if you lot're doing something technical — like editing music or video, or even playing a video game. You can assign a central to run a command or a macro you lot utilize repetitively.

Over at Reddit, "RonaldMcWhisky" describes how he took a USB cash-register keyboard — the Wincor Nixdorf TA85P, bought for 30 euros on Ebay — then plugged it into his reckoner and found he could easily read the keypresses using Python. This makes it nicely hackable and repurposable every bit a custom keyboard, because, as the folks at Hackaday observed, cash-register keyboards are big, chunky, reliable, and designed to be easily re-labelled:

Cash register keyboards have a number of advantages over a standard QWERTY design. They have big keys, the keys can be labeled, and the keys can be ordered in a fashion the user wants. The hardware is also cheap since cash registers are everywhere.

Very fun thought — I might effort this myself. Though I think I'll have to find a different model of USB cash-annals keyboard, because when I checked ebay right now this item model was selling for nearly $300.

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