Take photos using a PIR sensor as a trigger, and upload them on tumblr.

An indoor air quality monitoring system for detecting toxic gases.

Ever wanted to know the temperature of your home from somewhere? Here's an easy way to do it with Arduino Cloud and the Yun Shield!

Using an Arduino Yun Shield, I took my last project and made it Internet-connected!

Display tweets with a certain hashtag on a led matrix in real time!