DIY Projects

Motion-Activated Sprinkler

Motion-Activated Sprinkler

I can imagine all sorts of uses for Phil Tucker’s motion-detect sprinkler home defense system. Testing a motion activate sprinkler. A TRENDnet IP camera triggers a GPIO output read by an Arduino which then triggers a relay/solenoid valve to turn on a sprinkler. IP camera already records video and sends email alerts.

DIY Color-Changing Light Tubes

DIY Color-Changing Light Tubes

Audiobody hacks together music using DIYer-friendly electronics, which they describe in how-to videos — like these cool light tubes! How did we make our Color Changing, LED Light Tubes? In this video we show you exactly how we did it. The design is much simpler than you think. Try building one yourself and let us […]