Digilines Graphical Screen for Minetest
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How to use:
1. Place one and set the channel
2. Send an image (see below for the format)
3. Image will be displayed on the screen
4. If the screen is clicked, the screen will send a message on its channel containing the X and Y positions of the click and the name of the player.



Image format:
(this is the same as rgblightstone in group mode)
Images consist of tables, containing one table for each row with keys numbered from 1 to 16.
Within each row are 16 strings, one for each pixel in the row, with keys numbered from 1 to 16.
Each string contains the color for that pixel as a 6-digit hex color, with optional "#" prefix.
Invalid or omitted pixels or rows will appear as black, and excess pixels or rows will be discarded.