Clock Loop’s BlackBox 2.0 sequencer project uses 4 Parallax Propeller chips driven by a single 5MHz crystal to create some sweet electro rhythm. The above-seen demo shows off what two of the devices can do together – one handling sound synthesis, while the other’s on sequencing duty. Have a look at the project’s schematic & source code over in the Parallax forums.

In the Maker Shed:

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Propeller Proto Board USB