WebPlot - A Web interface for Pen Plotters

Python webservice to simplify working with pen plotters:

• Supported plotters: Graphtec MP4200, HP7475a
• Created for Raspberry Pi.
• Upload .SVG and .HPGL files.
• Convert .SVG into .HPGL files using vpype
• Telegram notification on print end
• Poweroff your plotter on print end using a Tasmota-enabled Sonoff controller

Installation

An install script is included. From the home directory, run:

curl -O https://raw.githubusercontent.com/henrytriplette/penplotter-webserver/main/install.sh
chmod +x install.sh

Then run it:

./install.sh

Raspberry Pi will reboot once installation is completed.

Usage

After install, open a browser and reach for:

http://{{your Raspberry Pi address}}:5000

Optional: Configure options in config.ini using the web interface to set:

• Tasmota device IP.
• Telegram Chat ID for notifications.

ToDO

• [x] Fix Mobile UI

• [x] Add plotter name to toolbar

• [x] Add defaults to configuration file

• [x] Stop print via UI?

• [x] List current printing filename

• [ ] More plotter options?

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

License

MIT