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URL: https://www.moddable.com/

⇱ Moddable


Moddable Six upgrade, our ESP32-S3 development board now includes an integrated microphone

Empower your IoT vision with Moddable

Moddable brings the JavaScript ecosystem to embedded software development

What is Moddable?

Moddable is transforming how embedded software is built by bringing the same JavaScript language that powers the web to the low-cost hardware that powers consumer and industrial IoT products..

Software developers are now free to use many standard web development tools instead of wrestling with proprietary embedded SDKs. The Moddable SDK integrates support for networking, sensors, visually rich touch displays, security, audio, data storage, and more.

Enterprises building with the Moddable SDK realize a faster time to market with more secure and reliable products. Enterprises can unlock the full potential of their hardware, minimize the need for customer support through an easy-to-understand touchscreen interface and deliver updates faster with Moddable's modular update technology.

Why companies choose the Moddable SDK

Moddable empowers companies to deliver innovative IoT products for consumer and industrial applications by connecting their developers to the proven power of the web ecosystem. By building with Moddable, companies can rapidly bring to market the next generation of smart, connected IoT products that are easy-to-use, reliable, and secure. Leveraging the power and flexibility of JavaScript for embedded devices


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Embedded JavaScript

Leveraging the power and flexibility of JavaScript in embedded software

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Secure & Reliable

Delivering products that operate safely and correctly while respecting user privacy

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Open & Standard

Innovating in IoT through open standards and open source

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Displays

Enabling dynamic, immersive experiences through vivid and versatile displays

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Moddable Six, now with integrated microphone

Setting a new standard for embedded user experience, Moddable Six pairs our most advanced display with the powerful ESP32-S3 microcontroller. Using embedded JavaScript and the Moddable SDK, bringing your vision to life has never been easier.

Moddable Customers

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Embedded JavaScript Ecosystem

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Moddable enables DeFi innovator's contract with Hardened JavaScript

With its XS JavaScript engine and collaborative approach to achieving the unique requirements of each customer, Moddable was able to help Agoric realize its vision to bring blockchain programming to the vast ecosystem of JavaScript developers to build, deploy, and operate sophisticated smart contracts, Dapps, NFTs, and DeFi markets.

IoT Development for ESP32 and ESP8266 with JavaScript

Not sure where to start? Our new book is the fastest way to learn how to use Moddable SDK in your commercial IoT product or weekend project. There's even an introduction to modern JavaScript just for professional embedded developers working in C.

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Development Hardware by Moddable

Moddable has three development boards featuring beautiful IPS screens. Check out the order pages for the hardware specifications and our GitHub repository for the latest software.

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Participate in our Community

On a monthly basis, we host a community call dedicated to discussing the latest in embedded JavaScript news. This includes updates to the Moddable SDK, advancements in ECMA-419, notable events, and intriguing projects. The call is open to everyone in the community, and we welcome announcements and questions from attendees.

Latest News & Articles

Introducing Alloy: Moddable on Pebble

Feb 20, 2026

The new Alloy SDK for Pebble watches is built on the Moddable SDK. Alloy empowers JavaScript developers to create apps for this beloved family of watches using standard APIs and powerful tools.

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Moddable 2025

Jan 9, 2026

Once a year the Moddable team reflects back on the progress we've made. In 2025, AI was everywhere, including the Moddable SDK. We also began porting to a new RTOS, deepened our support for Embedded JavaScript standard APIs from ECMA-419, and much more. Read on to learn how these can benefit your projects and for a glimpse of what's in store for 2026.

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Re-Introducing Moddable Six: More Power You Can Use

Dec 9, 2025

We're pleased to announce an upgrade of Moddable Six, our most popular development board for Embedded JavaScript. In fact, we sold out of the original production! The rise of realtime AI APIs inspired us to upgrade the audio capabilities of Moddable Six.

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Displays, Ethernet, and More Boards Land in Zephyr Port

Dec 4, 2025

Our work to bring modern JavaScript to the popular Zephyr RTOS is advancing with unprecedented speed. The latest update adds support for network communication, a BLE central, storage, and support for Espressif's ESP32 silicon family.

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All Blog Articles

Re-Introducing Moddable Six: hardware for embedded JavaScript devs.
🔧ESP32-S3
⚙️Dual-core 240 MHz Xtensa
⚡520 KB RAM
⚡8 MB PSRAM
📦8 MB Flash
🎤TDK T3902 mic
🔊PAM8302 amp
🖥️2.4" QVGA screen
🎛️ST7789 controller
✌️GT911 multitouch
😉JavaScript
🤯$29.99https://t.co/ggNQkq7ZQF pic.twitter.com/5q82dR0tO2

— Moddable (@moddabletech) January 6, 2026

The December Moddable SDK release is live!
💡Latest realtime AI APIs from OpenAI, Google, ElevenLabs, Hume,ai, and DeepSeek
🗣️conversationalAI adds more voices
🛜Ethernet on ESP32 enhancements
🌬️Zephyr port adds display, Ethernet, and more boardshttps://t.co/5ihkUuz1bk

— Moddable (@moddabletech) December 8, 2025