These are generic E-Paper connectors for 24-pin E-Ink screens. Should work with all sizes as long as they are 24-pin. I've personally these adaptors them with 2.9", 1.54" and 7.5" E-Ink screen.

They take care of all the passive requirements of the E-Ink screen, and exposes the control signals: 3.3V, BUSY, nRESET, nDC, nCS, CLK, MOSI and GND

With this you can direcctly link up a screen with a devboard such as a Raspberry Pi Pico, without needing any more external components.

Full schematic:

I might have lost the original design files, but the circuit was basically copy & pasted from this PCB of mine when I needed a few: https://kicanvas.org/?repo=https%3A%2F%2Fgithub.com%2Fcyao1234%2Fs32%2Ftree%2Fmain%2Fhardware.

The items will be sent form France, so there will be no customs for EU countries. For other countries there might be customs, but in my experience there shouldn't by any with French Post. (Still depends on your country)

Even so I am not responsible for any customs charged by your government, but I'll fill out the required forums :)

Feel free to send me a message if you would like other shipping methods.

(Mondial relay etc should cost ~5 eur within Europe, but price is different for each country)