Published at LXer:

JR wrote to us to share his open hardware project: pedalSHIELD. It's a great example of open hardware + open source software + open instructions and tutorials. Share your story with Opensource.com.There are a good number of nice programmable DIY guitar pedals out there. So, the pedalSHIELD is nothing new, except for the fact that I think we've strived harder than the rest to keep the project open, simple, supported, and affordable. The idea was to design a platform for Arduino users to learn about digital signal processing, effects, and synthesizers—also to experiment without a deep knowledge in electronics or programming.

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