The cheapest 160x160+ screen that can be bought off-the-shelf and has touch integrated. At least the cheapest I found. Also available on aliexpress for $12 and free shipping :)
If you find a cheaper one, please let me know. I'll thank you.
Is there anything wrong with the ubiquitous ILI9488 3.5 in displays? I see some on aliexpress with resistive touch screen for below 6 dollars not including shipping. These are not integrated on a board but has 40 pin standard FPC connector, with some passives on the ribbon. (I personally prefer this over waveshare's pcbs) EDIT: 320 by 480 btw
Nothing wrong with them, but that is too many pixels for my purpose. PalmOS 5.2 needs a minimum of 64KB of storage RAM, 128K of dynamic RAM, 32K for the kernel, AND a framebuffer to run, and RP2040 has too little RAM to handle a 320x480 display.
If you find a cheaper one, please let me know. I'll thank you.