Perennial plant killers rejoice: The open source Botanicalls uses moisture sensors and an Ethernet connection to let your leafy friend tweet you when it’s thirsty.
Get started: wrdm.ag/plantsensors
Put on your shiny helmet and go DIY Daft Punk with Arduinome, a maker-friendly version of the Monome USB Midi controller.
Get started: wrdm.ag/makermidi
Inexpensive and easy to make, this project delivers a rugged LED bicycle light with three settings.
Get started: wrdm.ag/ledbikelight
For those interested in reducing their carbon footprint—or just saving a bit of money—Adafruit’s Tweet-a-Watt kit wirelessly keeps tabs on power usage, broken down by outlet.
Get started: wrdm.ag/tweetwatts
Make an easy-to-assemble table that breaks down quickly and packs flat for storage. A striking silhouette and Banksy theme earn it extra style points.
Get started: wrdm.ag/laser_table
For security (and shenanigans) worthy of Ferris Bueller, set up this laser to detect parents, roommates, and other snoops.
Get started: wrdm.ag/lasertripwire