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Super Cheap Seed Starters
Soil blocks greatly reduce transplant shock, leaving you with more survivors in your garden.

Double Bucket Bokashi Compost
The fermented answer to urban composting.

Imp Chef: Internet-Connected BBQ Thermometer
Keep an eye on your roast wirelessly from your phone using an Electric Imp and a meat thermometer.

Solitary Bee Condos
Build a passive solar, backyard habitat for native solitary bees.

Skill Builder: Permaculture
Mapping your lot is the first step in designing a homestead.

Instantly Design and Cut Custom-Size Storage Bins
Get organized! Instantly design custom-sized bins, then cut them by laser or by hand.

Wiimote Whiteboard IR Saber
Create an awesome IR pen from a toy light sword and control your computer with gestures.

Amateur Scientist: Experimenting with Light and Dark Sensors
Use cheap photoresistors, phototransistors, and photodiodes to make powerful sensors for your projects.

Turn a Computer Power Supply into Bench Power
This design for an external adapter lets you use a computer power supply without modifying it.

Piezo Contact Mic
Salvage the piezo from an old toy and use it to build a small contact microphone that can be used to amplify acoustic instruments.


Hacking the Lego EV3: Build Your Own Object Sensor “Eyes”
Learn this simple hack to start adding your own sensors to the your Mindstorms system.