March 2011

Terremoto - Earthquake Sounder based on the 555 Timer
Complex Hacks

2

Victor from Roteno Labs has built this Earthquake Sounder based on the 555 Timer called the Terremoto as a submission to the 555 Timer Contest that is running right now. The project is very interesting and yes the 555 Timer isn’t doing any of the heavy lifting in the project and isn’t the most efficient way to make sound but it is an interesting use of the device. “The ECO

Walking Santa Hack
Cool Gadgets

2

Hack A Day had a cool contest where the goal was to build a Walking Santa. You can see the entries and winners here. There were lots of cool hacks but I like this one by Adam Outler the best. An Arduino controls the new Santa robot and some transistors are used to power the existing Santa motors. The new and improved Santa looks a bit mad but he has