Library Self-Checkout hardware selection. My recommendations.
So you're looking for hardware to build a self-checkout system for your library? How much should you spend? Here I will offer my opinion... You will need (1) a computer, (2) a monitor (or touch monitor), (3) a barcode reader, (4) a receipt printer (optional). For the computer, I would totally recommend the Dell Optiplex 3080 micro PC. 8GB, 256 GB SSD. These are available currently for about $650. Whichever PC you get make sure it comes with enough USB ports. This one has six. A touch monitor is nice. A 15-inch 4:3 ratio screen is best. While large widescreen monitors are fine they do not improve the user experience and can be distracting. Here are touch monitors from Elotouch and Beetronics. These cost around $500 to $600 depending on the options. I recommend the built-in speaker and desktop stand. Be aware you may need a video adapter cable to connect the PC to the monitor. (Such as Display Port from the PC to VGA on the monitor.) If you do not wish to use a touchscreen, a regula