Turing Machine / Random Looping Sequencer from Music Thing
Grayscale panel for the Turing Machine Random Looping Sequencer (http://grayscale.info/panels/turing-machine-random-looping-sequencer/). Component kit available at http://www.thonk.co.uk/shop/music-thing-modular-turing-machine-random-sequencer-component-kit/
http://musicthing.co.uk/modular/?page_id=21
No info about availability.