Firmware
Free open source
- —Full ESP32 + Flask source on GitHub
- —BOMs for self-sourcing every part
- —Browser preview — try it without hardware
From Data and Operations LLC
A WiFi e-ink door sign you build in an afternoon.
Open-source firmware. A small LiPo runs it for weeks — no wires, no outlet, stick it anywhere. Available as free firmware, a $89 kit, or a curated $299 designer edition.
Kits
One product. Four ways to own it.
From the free firmware on GitHub to a hand-finished designer edition. Same software underneath — different levels of polish.
Maker kit
$89 parts, you assemble
- —Waveshare 4.2" e-ink panel + ESP32 driver board
- —2000 mAh LiPo — stick it anywhere, runs ~1 month
- —Flashed firmware, picture frame not included
Assembled
$149–199 plug in and go
- —Pre-assembled, pre-flashed, pre-charged
- —Walnut or matte black frame
- —Works on USB-C wall power or LiPo
Designer Edition
$299 curated finish
- —Hand-finished hardwood frame, custom face plate
- —Numbered run, signed by the designer
- —Includes the design kit downloads
Try before you buy
No ESP32? No problem.
The browser preview, pixel-accurate PNG render, and ESPHome simulator all run on your Mac. You can test the entire system end-to-end before any hardware lands on your desk.
See how →Use cases
Where people put it.
Be first when kits ship.
We're cutting the first run in small batches. Waitlist gets early access to pilots, then pre-orders before the public launch.
No spam. We email when pilots open and when kits ship.