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 the Cygnet with Arduino, using PlatformIO.
Read guide
Cygnet Datasheet
View detailed documentation on the Cygnet's specifications, pin information, package configuration, and more.
Visit datasheet
Using Arduino IDE with Cygnet
Learn how to work with Cygnet in Arduino IDE, including how to install the board and flash firmware.
Read guideBlues 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 the Swan with Arduino, using PlatformIO.
Read guideSwan Datasheet
View detailed documentation on the Swan's specifications, pin information, package configuration, and more.
Visit datasheetUsing Arduino IDE with Swan
Learn how to work with Swan in Arduino IDE, including how to install the board and flash firmware.
Read guide
