vimsynth/modules/lfo

modules/sources/LFO

LFO

A slow oscillator, for modulating things. Unipolar by default (0..1), which is what a VCA level or a filter cutoff wants. sync locks it to a clock and starts it ON the pulse.

The LFO card as vimsynth draws it: its title bar, 4 knobs, 2 inputs down the left edge and 1 outputs down the right
LFO on an empty rack — 32×12 cells, knobs at their defaults. Press a in the app and pick LFO to get this card.

inputs

Down the left edge of the card, top to bottom.

ratecv
Modulates the rate, in octaves.
clktrigger
A clock to lock to, when sync is on. The cycle then begins ON the pulse, not merely at its speed.

outputs

Down the right edge, in the same order.

outcv
The modulation. Unipolar (0..1) unless bipol is on — which is what a VCA level or a filter cutoff wants.

knobs

Left to right across the face — the dials in the picture.

rate0.05 … 20 hz= 2 hz
How fast. Under 1 Hz is drift and swell; a few Hz is vibrato or tremolo.
wavesine · tri · saw · sqr= sine
Shape. sine and tri are smooth; sqr steps; saw ramps.
bipoloff · on= off
Bipolar (−1..1) instead of unipolar (0..1). Leave it OFF for a VCA level or a filter cutoff; turn it ON for vibrato, where the pitch must go both ways.
syncoff · x1 · x2 · x3 · x4 · x6 · x8 · x16= off
Lock the cycle to clk. Off, and rate rules.

more

The full reference — every parameter curve, the patching notes and the worked examples — lives in the manual: docs.vimsynth.com/modules/lfo. In the app itself, :help LFO opens the same page without leaving the rack.