A pocketable, front-lit, open source e-reader — for every book, in every language.

A more hackable ARM Cortex M0+ brain upgrade for Casio's iconic F-91W.

I built a small agentic coding harness for Windows 3.11. Yes, seriously.

Hi there. Joey here.

I’m a maker of gadgets and such. You may (or may not) know me from some of the projects listed above.

Latest News

Open Book Touch is fully funded at Crowd Supply as of September 3rd! I’m planning to kick off manufacturing of 1,000 units as soon as next month.

Also unrelatedly, and in a move that’s sure to upset someone somewhere, I made an agentic coding harness for Windows 3.11 as a weekend project. I’m sorry. You’re welcome.

Recent Notes

2026-09-01

In Search of Lost Type

With the Open Book Touch campaign drawing to a close, I thought it would be worth stepping back and talking about what got me started on all of this: books, and the formats backing them.

2026-08-21

A Framework for Creativity

Creating a custom framework helped people make incredible things with Sensor Watch, and I want to see the same explosion of possibility with the framework I've developed for Open Book Touch.

2026-08-11

A Case of One's Own: Open Book Enclosures

If you've been following the development of the Open Book, you've probably seen my penchant for overly detailed documentation on circuit boards. Open Book Touch is no exception; every available square inch is covered with silkscreen text explaining what things are for. Come see what it looks like inside.

2026-08-02

Coming Into Focus: A Microcontroller UI Kit That Inherits from NeXT

Focus is the UI framework that runs the Open Book, and today's update is the grand tour of this castle: how it's laid out, why it looks the way it does, and my confession of how I finally put it on solid ground.

2026-07-15

Never a Loss for Words: Search, Highlights, and Dictionaries

This update is about the reading reflexes, all the things your hands already know how to do with a book and that Open Book Touch implements: mark your place or mark a passage, consult the table of contents, flip ahead and back again, skim for a word or a passage, and of course, look things up in the dictionary.