It's worth mentioning for posterity and because we here love chaos, that the Batumi echoey firmware implements what is called "Verhulst's logistics map" . Since Batumi vanilla is just regular LFO this may not be obvious but it is a pretty useful implemtation such that you can have the four generators running independent or phased versions of the chaos and will have corresponding frequency synced sin and square waves not to mention self modulating possibilities for frequency modulation of each generator. 😎
-- slippage

Could you post a video clips of this?

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