Here’s our Arduino based “Internet of Things” camera. It’s a simple remote monitoring using the Eye-Fi wireless SD card and Adafruit Data Logging Shield for Arduino. The Eye-Fi card is a tiny wireless memory card. It stores photos and fits inside a camera just like a regular SD card, but also has built-in WiFi transceiver that can upload images to your computer, smartphone or to various photo-sharing sites. We use one here when taking pictures for our tutorials — it’s a great timesaver, eliminating the extra USB transfer step that’s otherwise necessary. Can the Eye-Fi card work in an Arduino SD card adapter? You bet! Adding a TTL Serial JPEG camera, together with some minimal prep work, we can then create a self-contained wireless monitoring camera with motion-sensing capabilities. Hide it inside a hollowed-out book or a plush dinosaur toy and discover who’s been eating all your Thin Mints cookies!
What makes this combination way cooler than just a normal SD card or a USB cable to a computer is all the infrastructure provided by the Eye-Fi service — not just transferring images to your computer, but pushing them to your smartphone, photo-sharing sites like Flickr, issuing email or Twitter notifications, etc. This is all configured through the Eye-Fi application — there’s no additional coding required.