PaperMono Shopping List

PaperMono Shopping List is an open-source personal shopping list app designed for the M5Stack PaperMono e-paper device. It features a fast, low-power e-ink touchscreen UI that syncs with a phone web interface through a FastAPI server. It works offline, supports item suggestions, aisle grouping, and partial screen updates to reduce power consumption and ghosting. Ideal for managing household shopping lists with a dedicated e-paper device synchronized with a phone browser UI.