Tools for developers to create truly open IoT products using standard JavaScript on low-cost microcontrollers.
Joined June 2016
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Which engine had the most bugs? Our XS JavaScript engine led the way with 10! 😅 Fixes for all the issues are testing now for release next week. 🔥
These aren't security vulnerabilities, but conformance problems on the edges of the RegExp specification.
github.com/moddable-OpenSour…
Our RegExp engine is designed to be efficient on embedded devices, even microcontrollers. It's code size of about 30 KB, is almost 10x smaller than the engine it replaced.🤯
A novel design has novel bugs. We're excited to have a new tool to find them.
moddable.com/blog/regexp/
Moddable retweeted
📘 We've published five new guides to help humans, and their LLMs, implement ECMA-419 sensors correctly. They cover essential topics and common questions:
• Construction
• Polling
• Notification
• Sample timestamps
• Configuration reporting
Hope they help!
moddable.com/guides/implemen…
Moddable SDK 10 is live!
🎉Our migration to ECMA-419 is nearly complete! Standard, secure, efficient, portable JavaScript APIs for embedded hardware. What's not to like?
🛠️Ready to update your projects? Our TypeScript typings help identify what needs to change.
github.com/moddable-OpenSour…
🎉 Meet KaozKit, a new SDK for integrating LLM agents written in industry-standard JavaScript into Swift apps.
🔥 KaozKit is a novel use of our XS JavaScript engine for embedded devices on the desktop, keeping it remarkably light and secure.
moddable.com/blog/kaozkit/
👩🏽💻 Every JavaScript developer knows that they should minimize blocking.
🤔 Unfortunately, the usual remedy can actually reduce perceived performance.
🧑🎓 Our blog goes in-depth on three approaches so you'll understand the tradeoffs.
moddable.com/blog/asynchrono…
Our September Moddable SDK release is live.
🔤FreeType. Scalable fonts.
📡RFID/NFC. Tap.
🌐WebDAV. Files served everywhere.
📄XML. In 2026.
⚡HTTP Server. Fast. Reliable.
📘Guides. For you & your LLM.
⚙️ESP-IDF 6.1. Differential flashing for fast install.
github.com/Moddable-OpenSour…
Moddable retweeted
Grok made a thing.
@moddabletech Moddable Display 2
It couldn't use Bender ©, so it made its own.
(It's only Wednesday.)
Web Streams are part of the Web’s foundation. But they’ve been out of reach for Embedded JavaScript. Until now.
🔥Moddable found a way to run streams efficiently on microcontrollers.🎉
Our blog tells the story of this huge step forward for embedded devs.
moddable.com/blog/web-stream…
Our Guides are a new kind of documentation, designed for Embedded JavaScript developers and their LLMs. Their code-first approach pairs small code snippets paired with concise explanations. They show how to perform common tasks simply. moddable.com/blog/guides/
Moddable retweeted
iRobotの教材用ロボットのリモコンを #moddable で作った
BLEで走行とセンシングができる
Our August Moddable SDK release is live with two features you can't miss!
🔥 Web Streams have landed, bringing another building block of the modern Web platform to Embedded JavaScript
📚 All-new Guides for Embedded JavaScript developers and their LLMs
github.com/Moddable-OpenSour…
