DIY Projects

Arduino MIDI accordion

Incredible, a MIDI accordion for under $100! Ukraine’s Dmitry Yegorenkov wanted a way to practice accordion while wearing headphones, and didn’t want to shell out over six grand for the Roland model with MIDI out, so he made his own, source code and schematics included. Accordion Mega [via Arduino Blog]

How-To: Lunchtime clock

How-To: Lunchtime clock

Randy Sarafan writes: Have you ever wished lunchtime were longer, but didn’t know where to find those few extra minutes? Well, wish no longer! Thanks to great in advances in clock technology, I present to you a clock that speeds up 20% every day at 11:00 and slows down 20% every day at 11:48, giving […]

How-To: Valentine motor

Mrfixits writes: This Valentine instructable shows a pair of Hearts that unite to become one! The homopolar motor is the simplest form of electric motor, consisting of a battery, a conductor, and a magnetic field. The flat Heart shape is the most basic of homopolar motors. The Heart with legs is the next most simple […]