And now for another musical Arduino project, brough to us by Steven Goodwin. With some simple electronics, an Arduino and LEGO Steven has created a "Tannerin". This is "... a musical instrument that is played by sliding a marker along the length of a wire or pad. This produces a pure sine wave tone, which can extend over as many notes or octaves as you wish, always in a smooth (i.e. portamento/pitch bend) fashion."
The effects are based on voltage divider partially made from nichrome wire, whose value is altered by the use of a wand. By building this into a LEGO channel the moving parts are kept under control and with some creativity you can make an interesting enclsoure for the Tannerin. An overview and demonstration of the instrument is shown in the following video:
Another great example of what's possible with an Arduino and a few extra parts. For complete details, check out Steven's Instructable page. And for more, we're on facebook, Google+, and twitter - so follow us for news and product updates as well.
If you need to add external hardware or devices to your next Arduino project, you'll need a protoshield to mount the external circuitry. In doing so, consider our range of ProtoShields. From the tiny LeoStick to the Mega we have a wide range to suit your application.