Hey all,

I wrote a MIDI step sequencer for the old Novation Launchpads. It has quite a few different scales (thanks to the tonal package on NPM), let's you change the sequence length on the fly and set lower velocities by holding down the pads.

Demo: https://youtu.be/dS_x-FioqHM

Code and installation instructions: https://github.com/kasbah/launch-step