And now to design an arduino equivalent.

Most of the noise you hear in the samples is not due to the conversion but rather to the opamp being used. For these applications a very low noise one is preferable, along with multiple cells filters.

Travis is a high school teacher and coach in a small South Texas town for eleven years. His love for gadgets began at a very early age, and he has been a cross between a jock and a geek for most of his life. He has two boys (ages 5 and 2), and a wonderful wife who lets him be a gadget freak

Seems like you would be better off using a DSP or some simple components(resistors, caps) in the right order. I’ve built entire envelope followers, wah pedals, and things of that like without ever using an IC bigger than a transistor.

Also, if they’re not building the Maple thing themselves, it’s no better than an arduino.

@defex, yeah, if you know what you are doing, you can always make something cheaper and more specific. I’m excited about the Maple guitar effects because it’s still affordable, and it will get lots of users’ and players’ eyes in one place developing at the same time. If ya didn’t know, it’s lets you use virtually the same dev environment as Arduino. Thanks for the links to http://diystompboxes.com and http://spinsemi.com I’m always interested in new DSP hardware and DIY music equipment!