I'm updating the source code to display 4 color gray images using the standard b/w 2.7 inch e-paper screens . The black and red screens also can display gray scale but the gray is very light.
For now it will be a separate branch on git . But I plan to make it a config option in the SETUP.TXT file.
Here is a couple samples.
![](https://cdn.hackaday.io/images/2972931605008190995.jpg)
![](https://cdn.hackaday.io/images/2319311605008227861.png)
![](https://cdn.hackaday.io/images/7196581605008252995.png)
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