I have experienced that an alphanumeric LCD added to Arduino as a stable add-on devices is very useful during the debug phase of the sketches and gives much more options to our ... and of course the ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...

In the meantime, another add-on that brings 3G and GPS to Raspberry Pi or Arduino is available at Cooking Hacks for €189. There's also a cellular add-on for Arduino for $99.95. Jon Brodkin ...