Nice Hat! (Velocity sensitive) by Belstarr

Set ASSIGN output to velocity.

From NEUTRON manual (section 5.2):

To change the source, press & hold the OSC SYNC button until both the RANGE buttons are flashing. The currently selected assignable output is indicated by the flashing LFO shape
LED - the available options are (clockwise from the sine shape):
OSC 1 CV
OSC 2 CV
“Note On” velocity
Modwheel
Aftertouch
Use the two range buttons to change the selected output. When you're done,
press and hold the OSC SYNC button until the RANGE buttons stop flashing.
The currently selected assignable output value will be stored and will persist
across power cycles