Build something
New to Bangle.js? Head to the tutorials to start building your first app or watchface.
Build something
New to Bangle.js? Head to the tutorials to start building your first app or watchface.
Solve a problem
Looking to accomplish something specific? Check out the how-to guides for practical tasks and fixes.
Look up technical details
Dive into reference docs for hardware specs, APIs, and software interfaces.
Understand the system
Read the explanations to learn how Bangle.js works under the hood.
Bangle.js is a fully open source smartwatch powered by Espruino. You write apps in JavaScript, deploy with a browser, and shape your watch to fit your life.
This site is here to help you: