This is the library for the Adafruit Motor Shield V2 for Arduino. It supports DC motors & Stepper motors with microstepping as well as stacking-support. It is not compatible with the V1 library!

OMC's H19 fiber-optic shield has been adapted as a stackable add-on for the Arduino Uno. It’s designed to simplify the integration of fiber-optic data links into microprocessor-based platforms.

Adafruit IO Arduino Library This library provides a simple device independent interface for interacting with Adafruit IO using Arduino. It allows you to switch between WiFi (ESP8266, ESP32, ESP32-S2, ...

APC issue 542 (February) is now available, ensuring you never miss another software update.