Tremors is inspired by the VRingMod effect from bucket_brigade. But it is more focused on forcing amplitude patterns upon the incoming signal, but not going into the ringmodulation range (>20 Hz).
It combines 3 tremolo units.

version 1.1, Octobre 2019
- retriggering the waveforms was not functional. This has been corrected

version 1, July 2019
- initial version