As the Arduino surges in popularity, people keep dreaming up crazier and more complex ways to use it. We’ve rounded up five of the most impressive Arduino projects on the web to show what’s possible with such a versatile and inexpensive platform. Be warned – these projects aren’t for beginners, but if you’re looking for a challenge and something to brag about, they could be just the ticket.
Although it’s been around for a few years now, the Kill-a-Watt and other “outlet” power monitors have gotten a lot of press for their ability to highlight the power use of many household devices that are otherwise black boxes. However, measuring your power usage 1 appliance at a time is difficult and time consuming. Even if your energy provider isn’t thinking about smart metering yet, why not analyze the energy consumed by your whole house over time?