Here’s a talking reverse geocache puzzle box which [Erv Plecter] built as a wedding gift for his friends. The box itself isn’t really the gift, but a surprise delivery system for a collection of cash ...

[Markus] built his own reverse geocache puzzle box but on a smaller scale than the original. His is based around a PIC 18F2520 and powered by two AAA batteries. The user interface includes one button, ...

Weddings are reasonably good fun for those attending, but being expected to provide an often-expensive gift can sometimes irk. So how about giving a present that demands a little more than simply ...

This project is intended to be used by frequent travelers in order to locate the exact destination by employing GPRS on the system. This project is intended to be used by frequent travelers in order ...