marklife-label-printer-web-kit v1.0.4

Marklife Label Printer Web Kit

Tested with the Marklife P50S Printer: This library has been specifically tested and verified to work with the Marklife P50S printer. While currently designed for this model, the library will be adapted to support additional Marklife printers as they are tested.

marklife-label-printer-web-kit is a JavaScript library designed to handle Bluetooth Low Energy (BLE) label printing using Marklife printers. This library supports both Node.js and browser environments.

GitLab Repository: Marklife Label Printer Web Kit

Table of Contents

• Features
• Installation
• Usage
  • Node.js Example
  • Browser Example
• Requirements
• Contributing
• License
• Notes

Features

• BLE Support:

  • Scanning and connecting to Marklife BLE devices.
  • Sending print data in fragments for reliable communication.

• Image Processing:

  • BMP image handling for label printing.
  • Resizing and grayscale conversion.

• Cross-Environment Support:

  • Node.js operations using noble and jimp.
  • Browser operations using Web Bluetooth API.

Installation

Install the library:

npm install marklife-label-printer-web-kit

Additional Dependencies

For Node.js:

npm install @abandonware/noble jimp

For Browser:

npm install -g browserify

Usage

1. Node.js Example

Install the required dependencies and use the following structure:

// Example code for Node.js usage

2. Browser Example

Your index.js should look like this:

// Example code for browser usage

Requirements

Node.js

• @abandonware/noble: For BLE device handling.
• jimp: For image processing.

Browser

• Modern browsers with Web Bluetooth API support.
• browserify: For bundling dependencies.

Contributing

Feel free to fork the repository and create pull requests with improvements or bug fixes.

License

This library is licensed under a custom agreement between MarkLife and MickeyGR. Redistribution or modification is subject to strict limitations.

Please see the LICENSE file for the full terms and conditions.

For permissions or inquiries, contact:

• MarkLife: marklifeservice@gmail.com | www.marklifeprinter.com
• MickeyGR: mickeyanthonygudiel@gmail.com | mickeygr.atokatl.dev

Notes

• Ensure your BLE device's name contains "P50" or update the examples to match your printer's name.
• The chunk size for blueSize is set to 90 in the examples, but this may need adjustment based on your printer's specifications.