The first hardware prototype is shown running at Rugged Circuits' labs with Wusik.com drum sequencer software. Just a couple of bugs to iron out: pushbutton debouncing and getting the LED's to travel the right way.
Normally the sequence is sent out to the MIDI OUT port, but we don't have a MIDI synth here. In this demonstration the sequence is sent over the USB port instead and fed into a soft synth (Wusik.com's own Wusik Station) using the MIDI-OX MIDI Yoke software and SpikenzieLabs Serial-MIDI Converter. This software-based replacement for a true low-latency MIDI port peripheral is what is causing the occasional lags and note dropouts.
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