Add inventree-dymo-plugin (#207)

_repo/inventree-dymo-plugin.md

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+---
+name: inventree-dymo-plugin
+author: wolflu05
+license: GPL-3.0+
+open_source: true
+stable: true
+maintained: true
+pypi: true
+package_name: inventree-dymo-plugin
+github: https://github.com/wolflu05/inventree-dymo-plugin
+gitlab:
+source:
+issue_tracker: https://github.com/wolflu05/inventree-dymo-plugin/issues
+website:
+categories: Printer
+tags: Label Printer Dymo
+---
+Dymo label printer driver plugin for InvenTree
+
+# inventree-dymo-plugin
+
+[![License: ](https://img.shields.io/badge/License-GPLv3-yellow.svg)](https://opensource.org/license/gpl-3-0)
+![CI](https://github.com/wolflu05/inventree-dymo-plugin/actions/workflows/ci.yml/badge.svg)
+
+A label printer driver plugin for [InvenTree](https://inventree.org/), which provides support for Dymo Label Writer® printers.
+
+## Compatibility
+
+The following printers are already supported by the driver:
+
+- DYMO Label Writer 450
+- DYMO Label Writer 450 Duo (Tape is not supported currently)
+- DYMO Label Writer 450 Turbo
+- DYMO Label Writer 450 Twin Turbo
+
+## Requirements
+
+Currently only printing over network is supported, so an RAW network socket server needs to be connected to the printer. A raspberry pi zero w is just enough for that job.
+
+The easiest way to set this up, is using cups and configure a RAW printer device in combination with `xinetd` like described in this [blog post](https://nerdig.es/labelwriter-im-netz-teil1/).
+
+## Installation
+
+> :warning: This plugin is only compatible with InvenTree>=0.16 because this uses the new label printer driver interface introduced with [inventree/InvenTree#4824](https://github.com/inventree/InvenTree/pull/4824) and was fixed with 0.16 to work inside of workers.
+
+Goto "Admin Center > Plugins > Install Plugin" and enter `inventree-dymo-plugin` as package name.
+
+Then goto "Admin Center > Machines" and create a new machine using this driver.
+
+## Technical working
+
+This driver implements the RAW Dymo LabelWriter® 450 Series commands like described in the [technical reference manual](https://download.dymo.com/dymo/technical-data-sheets/LW%20450%20Series%20Technical%20Reference.pdf) to send the label data to the printer.