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The first prototype of AT-317 Analog VCO module

The first AT-317 VCO prototype on the bench. The sine output was not fully operational yet, but everything else worked to spec.

2017-06-22 AT-317 prototype

The sine output is not fully operational yet, but everything else is working to spec.

The recordings below are the first sounds emitted by my VCO. Don’t expect a melody — it’s still getting its bearings.

Gallery

The AT-317 prototype build

AT-317 prototype board, component side AT-317 prototype board under construction AT-317 prototype on the bench AT-317 prototype board detail AT-317 prototype wiring detail AT-317 prototype under test
Embedded Demo

The AT-317 Analog VCO — first sounds