Will 7 colors epaper be supported in S3 board? Such as EC060KH3, EC078KH5?

[lanistor]

It would be really cool if such a color screen could be driven.

This is achieved by means of color filters. The driving logic should be the same as the 16-grayscale black and white screen, but it requires a color algorithm converter.
The FPC interface is also the same as the 060XCH, and as far as I know, the rendering speed is the same as the black and white screen.

[martinberlin]

I made a humble approach for the Kaleido 6” display here
https://github.com/vroland/epdiy/tree/s3_color_implementation
you can read more details in the wiki

[lanistor]

@martinberlin This is really cool, I'll try it right away.

[martinberlin]

Great @lanistor please give some feedback in the next weeks of your experience trying this.
I've made this branch mostly as a personal experimentation. Probably there are wiser ways to deal with color, interested to know how it was the experience for you.

[lanistor]

Great @lanistor please give some feedback in the next weeks of your experience trying this. I've made this branch mostly as a personal experimentation. Probably there are wiser ways to deal with color, interested to know how it was the experience for you.

Thanks, i tested it for once, but didn't found a demo to rendering with 7 colors directly, i will test it few days later, for too much development work recently.

[martinberlin]

You can just try the www-image example.
This should download a JPG and call my clone of the función epd_draw_pixel then for every pixel will be aware of what filter is on top

[lanistor]

You can just try the www-image example. This should download a JPG and call my clone of the función epd_draw_pixel then for every pixel will be aware of what filter is on top

Got it, thanks 👍

[martinberlin]

This has been way to long without any activity. You can find it converted to a discussion into General section