This is a link to the article I published in the May 2012 edition of the Nuts & Volts magazine: a sound activated, laser parking system.
If you have trouble parking your car at the right spot in your garage, I recommend you have a look at this article.
The summary from the Nuts and Volts website:
You can also read the actual article from the same website using the following link:
Comments, questions, suggestions? You can reach me at: contact (at sign) paulorenato (dot) com