Altoids and tin cases

Coffee can alarm clock

This Instructable shows you how to build an Arduino-based alarm clock inside of a Illy coffee tin. The electronics are based on Wiseduino (Arduino clone with DS1307 real time clock on board), with a LED matrix shield sitting on top. The shield is built with 74HC595 shift registers that drive two bi-color (red, green, and […]

Mint tin mixer

Mint tin mixer

Instructables user richfiddler11 writes: My car stereo has only one ‘Aux’ input, but I have several gadgets that I like to hear on a trip without swapping cables: MP3 Player, talking GPS, Blackberry, XM player, Kindle, etc. I couldn’t find a commercial solution, so I came up with this little passive audio mixer that takes […]