I think the answer will just be to have low-power LCD panels, you can get a 6" display for about £12 [1]. On bulk you might be able to build an entire device fo

I think the answer will just be to have low-power LCD panels, you can get a 6" display for about £12 [1]. On bulk you might be able to build an entire device for £15 - £20. [1] https://www.aliexpress.us/item/32805684970.html https://www.aliexpress.us/item/32805684970.html