oesmith / simple_printer

A stupid print server for thermal receipt printers

simple printer

This is a really, really simple print server designed for use with arduinos hooked up to thermal receipt printers.

It's a basic sinatra+redis app that queues print jobs. Print devices poll an endpoint associated with their unique ID. Jobs can be queued by POSTing to the same endpoint.

Hint: check the debug output of the device or the sinatra logs to discover the IDs/URLs.

Example

To push a simple text job:

curl -D - -X POST --data-binary 'Hello, World!' http://localhost:4567/printer/{PRINTER ID HERE}

Further reading

• https://github.com/oesmith/a2_printer for formatting print jobs beyond simple ASCII text
• https://github.com/oesmith/printer_sketch for code to put on your Arduino

Thanks

• lazyatom (James Adam) for his work, from which this is massively derivative.
• the awesome engineering team at Wildfire Interactive in London.