Feather MCUs
The hub for documentation on Blues Cygnet and Blues Swan.
Blues Cygnet
Cygnet is a low-cost Feather-compatible STM32L433-based microcontroller board designed to accelerate the development and deployment of battery-powered solutions.
Cygnet Quickstart
The place to start. This guide will help you start developing on Cygnet with Arduino.
Cygnet Datasheet
View detailed documentation on Cygnet's specifications, pin information, package configuration, and more.
Using PlatformIO with Cygnet
Learn how to work with Cygnet in PlatformIO, including how to install the board and flash firmware.
Blues Swan
Swan is a powerful Feather-compatible STM32L4R5-based microcontroller board. With 2MB of flash and 640KB of RAM, the Swan is ready for the demands of real-world applications.
Swan Quickstart
The place to start. This guide will help you start developing on Swan with Arduino.
Swan Datasheet
View detailed documentation on Swan's specifications, pin information, package configuration, and more.
Using PlatformIO with Swan
Learn how to work with Swan in PlatformIO, including how to install the board and flash firmware.
Using CircuitPython with Swan
Learn how to program Swan with CircuitPython.
