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

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

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

How easy is to do the link between my Arduino Yun and one mobile using free soft Blynk.

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.

We'll show you how you can post a Facebook status update from your Arduino Yún.

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

Temboo is very easy to automate the IoT with Arduno YUN, in combination with Blynk and Dropbox to store pictures. All is free and easy.

Using a BPI NB-IoT development board together with Arduino.

RPMA backhaul for Arduino Yun + Temp / Humidity sensor

RPMA Backhaul + Arduino Yun – Part 3 of 3

2nd portion of RPMA + Arduino Yun (2 of 3)

Fast function getDS1307timeStamp().

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

Here we'll show you how to pass short messages and commands to your Arduino Yún via Amazon SQS, a simple cloud-based message queue service.