asciidisco / webusb-workshop

Learn how to steer POS printers with WebUSB

webusb-workshop

This repository contains a few examples on how to connect with USB devices via the WebUSB web interface:

• 01-connect-device - Connect to a device & display its meta data
• 02-print-text - Connect to POS compatible printer & print text
• 03-canvas-to-print - Connect to POS compatible printer & print the contents of a <canvas> element

If you'd like to dig further into programmign POS printers, hav a look at ESC/POS Mode Command Specifications which describe all the commands from the POS spec that can be send to compatible printers in order to make some art™

Running the examples

Any webserver will do, if you have Node.js installed, just run

npx http-server -p ${PORT}

and you're good to go.