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Ars Technica reviews a $48 DIY e-paper display kit from Seeed Studio and TRMNL that passively shows customizable info like calendars, weather, and news, running in two official ecosystems or on a self-hosted server with no subscription required.
The author wrote a custom display driver for an ESP32 e-paper development board with a dedicated display controller. By shortening waveforms, budgeting drive time per pixel, and calibrating grayscale, they boosted the Game Boy emulator from under 2 FPS to around 30 FPS and achieved true four-level grayscale output without relying on dithering.
A developer documents rewriting the firmware for their SQFMI Watchy e-paper watch in Rust, detailing the challenges of Rust on ESP32 and the experience of writing an async e-paper display driver for the GDEH0154D67.
A project that turns the M5Stack PaperMono e-paper device into a shopping list fridge magnet with a syncable mobile web app, featuring offline functionality and optional AI sorting.
A developer details building a custom e-paper display with ESP32 and Claude Code to monitor weather, news, and other information for personal use.
A Hacker News thread where users discuss options for large format touchscreen E-Paper displays, with suggestions to modify existing products like Dasung monitors.
A showcase of a smart e-paper desk dashboard project using ESP32-C6 SuperMini and a 7.5-inch display, part of a 3D printing series by Adafruit.
ReFrame is an experimental open-source camera that uses a color ePaper display to show one photo at a time, making each shot deliberate and memorable. Built with off-the-shelf components like a Raspberry Pi Zero, it ditches screens for a slow, print-like photographic experience.
The user is impressed by a fast e-paper display that achieves near 60 fps, far outperforming their hacked Remarkable tablet, and plans to add touchscreen control.
An open-source, battery-powered temperature and humidity data logger with an always-on e-paper display, built on ESP32-S3. The project includes custom PCB, 3D-printed case, and firmware for low-power operation.
A handwritten C chess engine built for e-paper displays, featuring Grok-designed pieces and responsive rendering. The engineering story was turned into a film by RepoReel titled 'The King Falls Silent'.
The PocketMage is a crowdfunded clamshell PDA powered by an ESP32-S3, featuring both e-paper and OLED displays, a tactile QWERTY keyboard, and open-source software for simple productivity tasks, aimed at tinkerers and nostalgia seekers.
Modos launches Modos Flow, a 13.3-inch color e-paper monitor with 60Hz refresh rate, touch input, and an open-source display controller called Enchanter, now crowdfunding on Crowd Supply.
Muxcard is a fully functional DIY computer the size of a credit card, built around an ESP32-C3, e-paper display, and NFC, with potential use cases including wallets, pentesting, smart-home control, and more.
A hobbyist built a functional self-powered computer that is literally the size of a credit card and about 1mm thick, using an ESP32, NFC, e-ink display, and custom flex PCB.