This project is based on Sprite_tm’s Magic Paintbrush project. The idea is to make the Arduino compatible control module for HP cartridge in easy to connect format. Most of the mechanical parts is 3D printable. Electronics part is 23x38 mm PCB with 14 inputs and powered by 3.3V.
Thanks @Gravis . I've seen this project already. The problem is that HP45 cartridge used there is only a single color, so if you want full color printing solution you should combine at least three cartridges with it's own PCSs, connectors etc. I want a more simpler and cheap solution.
Cool project. What library are you using to drive the PrintSpider board?