FreeRTOS, simple, easy to use, robust, optimised for Arduino IDE. Full access to FreeRTOS capabilities, within classic Arduino environment.

A simple and inexpensive solution is to use a 'mobile power bank'

FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.

Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.

Arduino operative system for launching Python scripts for astronomical and flight calculations.

For Arduino Yùn, adds new REST commands, enabling tunnelling for I2C messages.

Fast function getDS1307timeStamp().

Arduino-library-I2CtunnelW - For Arduino Yùn, adds new REST commands, enabling tunnelling for I2C messages.