Network enabled window air conditioner

Save a baby, nursery temperature monitor

Yes, you could argue this Nursery Room Temperature Monitor is simply an LED and an Arduino with a temperature sensor, but [Jay] really did put more thought into the process.

Doorbell combo lock can open your garage door

Sometimes I get enough away from writing about other people’s accomplishments long enough to actually do my own hacks. Most recently I developed a combination lock that opens the garage door.

Making home automation modules talk to each other

[Danny] has been working on an RNET to Sonos bridge. These are devices from two different manufacturers used to facility whole-house audio systems.

DIY picture frame better than store bought

[Daniel's] homemade digital picture frame looks great, it’s well-built, and it has a nice set of features. It’s not made from a broken laptop and he didn’t build it around a microcontroller.

20-channel DMX controller

[Joshua] shares his details on building this 20-channel DMX controller. He’s sourced some extension cords to cut up for the complicated wiring project.

Air freshener hacking

In an effort to improve his marital standing [Tech B] hacked an air freshener to make it Internet controllable. The main component here is a Glade Sense and Spray.

AVR Guardian filters out dogs

Cats and dogs can get along quite nicely when they are raised up together. The problem with this type of arrangement tends to be keeping dogs out of the cat box and away from the cat food.

A pair of Rube Goldberg builds

Here’s a couple of videos of Rube Goldberg machines that [Austin] built. The one above was completed in 2008 as a commercial contest entry for something-or-other.

Homemade induction generator

[Tyler LaVite] tipped us off about the generator he built. He combined a 5. 5 horsepower Honda motor with a 10 horsepower electric bandsaw motor. To get an induction generator to produce alternating current you must feed electricity into the system to start the magnetic flux.