JavaScript

Flipper Zero's built-in JavaScript engine enables you to run lightweight scripts, similar to full-fledged C/C++ apps. Scripts can be shared, copied to a microSD card, and launched directly from the Flipper Zero menu — no precompilation needed.

Get started with JavaScript

• About the JavaScript engine — Learn about the implementation, advantages and limitations of our JavaScript engine
• Your first JavaScript app — Create a simple app and run it using the Flipper Zero UI or CLI
• Developing apps using JavaScript SDK — Learn how to install and use the JavaScript SDK for fast app debugging
• Using JavaScript modules — Learn how you can use JS modules in your apps

JavaScript modules

• BadUSB module — This module allows you to emulate a standard USB keyboard
• Serial module — The module for interaction with external devices via UART
• Math module — This module contains mathematical methods and constants
• Notification module — This module allows you to use LED, speaker and vibro for notifications
• Event Loop module — The module for easy event-based developing
• GPIO module — This module allows you to control GPIO pins
• GUI module — This module allows you to use GUI (graphical user interface)

Examples

• Our examples (GitHub) — Pre-installed with the firmware, so you can run them directly from the Flipper Zero menu (Apps → Scripts)
• Featured: Derek Jamison's examples (GitHub) — Come with detailed video guides for most scripts on his YouTube channel
• Just google "flipper zero javascript examples"

Other resources

• Data types — A list of data types you can use in your JS scripts
• Built-in methods — A list of functions you can use without including any JS modules