Original Display¶
The original design supports up to 8 modules on a single I²C bus. Full build instructions were written by Morgan Manly and are hosted on Instructables.
Build instructions¶
Full build guide on Instructables
The Instructables guide covers the complete build: 3D printing, hardware assembly, wiring, and firmware upload. It is the authoritative reference for the original design.
Print files¶
| Version | Characters | Preview | Print files |
|---|---|---|---|
| Original | 37 | ![]() |
MakerWorld |
| Square | 37 | ![]() |
MakerWorld |
| Extended | 48 | ![]() |
MakerWorld |
The 48-character extended version is recommended — it includes lowercase letters and additional symbols.
Firmware¶
Both versions use the same firmware in this repository. Follow the firmware setup guide to build and flash.



