Hack-a-thon, beer... means keg. iOT that thing! Wunderbar sensor madness, abused completely, Electric Imp adding LED and temp sensor.
How to make a DIY Rocket Launcher using Arduino - Design the circuit, make a rocket ignitor and control the launcher from your phone.
Here, you’ll see how to build a cheap and easy digipack-based system that can detect human motion and set off our Halloween decorations.