I dive into the Arduino world and learn a lot in my first project, a temperature, humidity and light level sensor for my mini-greenhouse that also reports via SSH iOS notifications and Twitter and logs data to local SD Card and a Google Spreadsheet. Download this video podcast    Greenhouse Temperature, Humidity and Light Level Arduino ProjectPowered by USB power bankArduino Yun connected to breadboard for power and sensor dataLocal WiFi connection via Arduino Yun for data reportingRead Temperature and Humidity using blue sensor at topRead current light level using photo-resistor and converting to 100 point scale (0-100, with 0 being total darkness)Date and Time pulled from Linux side of Arduino YunData logged to file on internal SD Card on Arduino (can be accessed remotely via SSH)Data logged remotely to Google Spreadsheet via IFTTTData tweeted out to @douglaswelch via IFTTTData notified on iPhone via IFTTTCurrently polling and reporting every 5 minutesDOWNLOAD CODE for this project